High-resolution mine geology detecting instrument

By designing a high-resolution mine geological detector, a progressive amplification circuit and a clock circuit are used to achieve stable signal transmission and high-resolution display, solving the problems of low resolution and small detection range of traditional detection instruments, and realizing efficient and accurate display of mine geological information.

CN224081827UActive Publication Date: 2026-04-03SHANDONG JINING CANAL COAL MINE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Traditional mine geological detectors have low resolution, limited detection range, and complex data processing, making it difficult to meet the demands of modern mining for safety, efficiency, and intelligence.

Method used

A progressive two-stage amplifier circuit and clock circuit are used in conjunction with an AD sampling circuit and a display. The transmitter emits electromagnetic wave signals, which are received and amplified by a magnetic sensor. The AD sampling circuit and a second output circuit are combined to achieve signal stability and high-resolution display.

Benefits of technology

It improves the resolution of the display effect of geological exploration information in mines, ensures the stability and synchronization of the signal transmission process, and enhances the accuracy and efficiency of the exploration results.

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Abstract

The utility model discloses a high-resolution mine geological detector, which comprises a transmitter, a magnetic sensor, a first amplifying circuit, a second amplifying circuit, a first output circuit, a clock circuit, an AD sampling circuit, a second output circuit, a display and a power supply, the transmitter, the magnetic sensor, the first amplifying circuit, the second amplifying circuit, the first output circuit, the clock circuit, the AD sampling circuit, the second output circuit and the display are respectively connected with the power supply; the magnetic sensor is connected with the transmitter, the first amplification circuit is connected with the magnetic sensor, the second amplification circuit is connected with the first amplification circuit, the first output circuit is connected with the second amplification circuit, the clock circuit is connected with the first output circuit, the AD sampling circuit is connected with the clock circuit, and the second output circuit is connected with the AD sampling circuit. The display is connected with the second output circuit. By arranging the progressive two-stage amplification circuit, the clock circuit and the AD sampling circuit, the stability and high resolution of signal output are realized.
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Description

Technical Field

[0001] This utility model relates to the field of mine geological exploration technology, specifically a high-resolution mine geological exploration instrument. Background Technology

[0002] Mine geological survey instruments are essential tools used in mining operations. They utilize physical principles such as seismic waves to accurately detect geological structures ahead of mine tunnels. By observing the different responses of various geological bodies and lithologies to seismic waves, the instrument can extract anomalous reflection interfaces, thereby detecting unfavorable geological bodies and structures ahead. This survey method is not only highly accurate but also simple to operate and requires minimal labor, providing accurate predictions for safe mine excavation. However, traditional mine geological survey methods are limited by technological bottlenecks, often suffering from low resolution, limited detection range, and complex data processing, making it difficult to meet the demands of modern mining for safety, efficiency, and intelligence. Utility Model Content

[0003] The purpose of this invention is to provide a high-resolution mine geological detector to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a high-resolution mine geological detector, comprising: a transmitter, a magnetic sensor, a first amplification circuit, a second amplification circuit, a first output circuit, a clock circuit, an AD sampling circuit, a second output circuit, a display, and a power supply, wherein...

[0005] The transmitter, the magnetic sensor, the first amplifier circuit, the second amplifier circuit, the first output circuit, the clock circuit, the AD sampling circuit, the second output circuit, and the display are all connected to the power supply.

[0006] The transmitter is used to emit electromagnetic wave signals and transmit the electromagnetic wave signals to the magnetic sensor;

[0007] The magnetic sensor is connected to the transmitter and is used to receive electromagnetic wave signals emitted by the transmitter and reflected and refracted by the underground medium in the mine, and to transmit the reflected and refracted electromagnetic wave signals to the first amplifier circuit.

[0008] The first amplifier circuit is connected to the magnetic sensor and is used to amplify the received signal to the first-level signal amplitude.

[0009] The second amplifier circuit is connected to the first amplifier circuit and is used to amplify the amplitude of the first-stage signal to the amplitude of the second-stage signal, wherein the amplitude of the first-stage signal is smaller than the amplitude of the second-stage signal.

[0010] The first output circuit is connected to the second amplifier circuit and is used to transmit the signal at the second level signal amplitude to the clock circuit.

[0011] The clock circuit is connected to the first output circuit and is used to convert the signal generated by the second amplifier circuit into a clock signal to realize the signal synchronization and timing between the magnetic sensor and the display.

[0012] The AD sampling circuit is connected to the clock circuit and is used to convert the clock signal into a digital signal so that the display can display the mine geological information;

[0013] The second output circuit is connected to the AD sampling circuit and is used to transmit the digital signal to the display for display.

[0014] The display is connected to the second output circuit and is used to display mine geological information;

[0015] The power supply is used to power the transmitter, the magnetic sensor, the first amplifier circuit, the second amplifier circuit, the first output circuit, the clock circuit, the AD sampling circuit, the second output circuit, and the display.

[0016] When the magnetic sensor receives the signal transmitted by the transmitter and returned from the mine geology, a progressive two-stage amplification circuit is set up to amplify the signal strength step by step to ensure the stability of the signal transmission process. At the same time, a clock circuit is set up to synchronize the transmitter's signal transmission time with the information displayed on the display. Based on signal amplification and synchronization, the AD sampling circuit and the second output circuit are set up to further realize the stability and high resolution of the signal output, thereby improving the display resolution of the mineral geological exploration information on the display.

[0017] In one embodiment of this application, the first amplification circuit includes: a first input terminal, an amplifying element, a feedback network, and a first output terminal; wherein,

[0018] The input terminal is connected to the magnetic sensor and is used to receive the signal transmitted by the magnetic sensor;

[0019] The amplifying element is a field-effect transistor, which is connected to the input terminal and is used to amplify the signal transmitted by the magnetic sensor to generate a first-level signal amplitude.

[0020] The feedback network is connected to the amplification element and is used to provide a feedback signal for the amplitude of the first-stage signal;

[0021] The output terminal is connected to the feedback network and is used to output the amplitude of the first-stage signal to the second amplifier circuit.

[0022] In one embodiment of this application, the second amplification circuit includes: a second input terminal, an intermediate terminal, a second output terminal, and a bias circuit, wherein,

[0023] The second input terminal includes a differential amplifier, which is connected to the first output terminal and is used to receive the amplitude of the first stage signal.

[0024] The intermediate terminal includes a power amplifier, which is connected to the second input terminal and is used to amplify the amplitude of the first-stage signal to the amplitude of the second-stage signal.

[0025] The second output terminal includes a power amplifier, which is connected to the intermediate terminal;

[0026] The bias circuit is connected to the second input terminal, the intermediate terminal and the second output terminal respectively, and is used to set the static operating point of each terminal.

[0027] In one embodiment of this application, the clock circuit includes: a crystal oscillator, a crystal control chip, a clock divider circuit, and a phase-locked loop, wherein the crystal oscillator is connected to the crystal control chip, the crystal control chip is connected to the clock divider circuit, and the clock divider circuit is connected to the phase-locked loop.

[0028] In one embodiment of this application, the AD sampling circuit includes: an analog signal input terminal, a signal conditioning circuit, an AD converter, a real-time clock circuit, and an output terminal, wherein the analog signal input terminal is connected to the signal conditioning circuit, the signal conditioning circuit is connected to the AD converter, the AD converter is connected to the real-time clock circuit, and the real-time clock circuit is connected to the output terminal.

[0029] In one embodiment of this application, the second output circuit includes an FPGA and a DSP, wherein the FPGA is connected to the output terminal, and the DSP is connected to the FPGA.

[0030] In one embodiment of this application, the display is connected to the DSP. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1This is a schematic diagram of the structure of a high-resolution mine geological exploration instrument provided in an embodiment of this application;

[0033] Attached Figure

[0034] 100. Transmitter; 200. Magnetic sensor; 300. First amplifier circuit; 301. First input terminal; 302. Amplifying element; 303. Feedback network; 304. First output terminal; 400. Second amplifier circuit; 401. Second input terminal; 402. Intermediate terminal; 403. Second output terminal; 404. Bias circuit; 500. First output circuit; 600. Clock circuit; 601. Crystal oscillator; 602. Crystal control chip; 603. Clock divider circuit; 604. Phase-locked loop; 700. AD sampling circuit; 701. Analog signal input terminal; 702. Signal conditioning circuit; 703. AD converter; 704. Real-time clock circuit; 705. Output terminal; 800. Second output circuit; 801. FPGA; 802. DSP; 900. Display; 1000. Power supply. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of this application.

[0036] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0037] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0038] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly, for example, they can refer to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0039] Please see Figure 1 A high-resolution mine geological detector includes: a transmitter, a magnetic sensor, a first amplifier circuit, a second amplifier circuit, a first output circuit, a clock circuit, an AD sampling circuit, a second output circuit, a display, and a power supply.

[0040] The transmitter, magnetic sensor, first amplifier circuit, second amplifier circuit, first output circuit, clock circuit, AD sampling circuit, second output circuit, and display are all connected to the power supply.

[0041] The transmitter is used to emit electromagnetic wave signals and transmit them to the magnetic sensor;

[0042] The magnetic sensor is connected to the transmitter to receive electromagnetic wave signals emitted by the transmitter and reflected and refracted by the underground medium in the mine, and transmits the reflected and refracted electromagnetic wave signals to the first amplifier circuit.

[0043] The first amplifier circuit is connected to the magnetic sensor and is used to amplify the received signal to the amplitude of the first-stage signal.

[0044] The second amplifier circuit is connected to the first amplifier circuit and is used to amplify the amplitude of the first-stage signal to the amplitude of the second-stage signal, wherein the amplitude of the first-stage signal is smaller than the amplitude of the second-stage signal.

[0045] The first output circuit is connected to the second amplifier circuit and is used to transmit the signal at the second-stage signal amplitude to the clock circuit.

[0046] The clock circuit is connected to the first output circuit and is used to convert the signal generated by the second amplifier circuit into a clock signal to realize the signal synchronization and timing between the magnetic sensor and the display.

[0047] The AD sampling circuit is connected to the clock circuit and is used to convert the clock signal into a digital signal so that the display can show the geological information of the mine.

[0048] The second output circuit is connected to the AD sampling circuit and is used to transmit digital signals to the display for display.

[0049] The display is connected to the second output circuit and is used to display geological information of the mine.

[0050] The power supply provides power to the transmitter, magnetic sensor, first amplifier circuit, second amplifier circuit, first output circuit, clock circuit, AD sampling circuit, second output circuit, and display.

[0051] When the magnetic sensor receives the signal transmitted by the transmitter and returned from the mine geology, a progressive two-stage amplification circuit is set up to amplify the signal strength step by step to ensure the stability of the signal transmission process. At the same time, a clock circuit is set up to synchronize the transmitter's signal transmission time with the information displayed on the display. Based on signal amplification and synchronization, the AD sampling circuit and the second output circuit are set up to further realize the stability and high resolution of the signal output, thereby improving the display resolution of the mineral geological exploration information on the display.

[0052] In some embodiments, the first amplifier circuit includes: a first input terminal, an amplifying element, a feedback network, and a first output terminal; wherein...

[0053] The input terminal is connected to the magnetic sensor to receive the signal transmitted by the magnetic sensor;

[0054] The amplifying element is a field-effect transistor, which is connected to the input terminal and is used to amplify the signal transmitted by the magnetic sensor to generate the first-stage signal amplitude.

[0055] The feedback network is connected to the amplification element to provide a feedback signal for the amplitude of the first-stage signal;

[0056] The output terminal is connected to the feedback network and is used to output the amplitude of the first-stage signal to the second amplifier circuit.

[0057] The first amplifier circuit can effectively amplify weak signals, improve the signal-to-noise ratio and stability of the signal, and provide a reliable foundation for subsequent signal processing and analysis.

[0058] In some embodiments, the second amplifier circuit includes: a second input terminal, an intermediate terminal, a second output terminal, and a bias circuit. The second input terminal includes a differential amplifier connected to the first output terminal for receiving the amplitude of a first-stage signal. The intermediate terminal includes a power amplifier connected to the second input terminal for amplifying the amplitude of the first-stage signal to the amplitude of a second-stage signal. The second output terminal includes a power amplifier connected to the intermediate terminal. The bias circuit is connected to the second input terminal, the intermediate terminal, and the second output terminal respectively, for setting the static operating point at each terminal. The second amplifier circuit can improve the signal-to-noise ratio and enhance communication quality.

[0059] In some embodiments, the clock circuit includes: a crystal oscillator, a crystal control chip, a clock divider circuit, and a phase-locked loop (PLL), wherein the crystal oscillator is connected to the crystal control chip, the crystal control chip is connected to the clock divider circuit, and the clock divider circuit is connected to the PLL. The clock circuit enables different components to operate according to a specific time sequence, ensuring correct data transmission, data sampling, and accurate operation.

[0060] In some embodiments, the AD sampling circuit includes: an analog signal input terminal, a signal conditioning circuit, an AD converter, a real-time clock circuit, and an output terminal. The analog signal input terminal is connected to the signal conditioning circuit, the signal conditioning circuit is connected to the AD converter, the AD converter is connected to the real-time clock circuit, and the real-time clock circuit is connected to the output terminal. The AD sampling circuit preprocesses the analog signal, such as by filtering, amplification, or voltage division, to ensure that the signal maintains its original characteristics and accuracy during sampling, which is beneficial for achieving high resolution in mine geological exploration results.

[0061] In some embodiments, the second output circuit includes an FPGA and a DSP, with the FPGA connected to the output terminal and the DSP connected to the FPGA. The FPGA and DSP enable high-speed signal acquisition and storage, which is beneficial for achieving high resolution of mine geological exploration results.

[0062] In some embodiments, the display is connected to the DSP.

[0063] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high resolution mine geophysical probe, characterized in that, The high-resolution mine geological detector comprises a transmitter, a magnetic sensor, a first amplification circuit, a second amplification circuit, a first output circuit, a clock circuit, an AD sampling circuit, a second output circuit, a display and a power supply, wherein, The transmitter, the magnetic sensor, the first amplification circuit, the second amplification circuit, the first output circuit, the clock circuit, the AD sampling circuit, the second output circuit and the display are connected with the power supply respectively. The transmitter is configured to emit electromagnetic wave signals and transmit the electromagnetic wave signals to the magnetic sensor. The magnetic sensor is connected with the transmitter and configured to receive the electromagnetic wave signals emitted by the transmitter and reflected or refracted by the underground medium of the mine and transmit the reflected or refracted electromagnetic wave signals to the first amplification circuit. The first amplification circuit is connected with the magnetic sensor and configured to amplify the received signals to a first signal amplitude. The second amplification circuit is connected with the first amplification circuit and configured to amplify the first signal amplitude to a second signal amplitude, wherein the first signal amplitude is smaller than the second signal amplitude. The first output circuit is connected with the second amplification circuit and configured to transmit the signals at the second signal amplitude to the clock circuit. The clock circuit is connected with the first output circuit and configured to convert the signals generated by the second amplification circuit into clock signals to realize the synchronization and timing of the signals transmitted between the magnetic sensor and the display. The AD sampling circuit is connected with the clock circuit and configured to convert the clock signals into digital signals to enable the display to display the mine geological information. The second output circuit is connected with the AD sampling circuit and configured to transmit the digital signals to the display for display. The display is connected with the second output circuit and configured to display the mine geological information. The power supply is configured to supply power to the transmitter, the magnetic sensor, the first amplification circuit, the second amplification circuit, the first output circuit, the clock circuit, the AD sampling circuit, the second output circuit and the display.

2. The high resolution mine geological probe of claim 1, wherein, The first amplification circuit comprises a first input end, an amplification element, a feedback network and a first output end, wherein, The input end is connected with the magnetic sensor and configured to receive the signals transmitted by the magnetic sensor. The amplification element is a field effect tube connected with the input end and configured to amplify the signals transmitted by the magnetic sensor to generate the first signal amplitude. The feedback network is connected with the amplification element and configured to provide a feedback signal of the first signal amplitude. The output end is connected with the feedback network and configured to output the first signal amplitude to the second amplification circuit.

3. The high resolution mine geological probe of claim 2, wherein, The second amplification circuit comprises a second input end, an intermediate end, a second output end and a bias circuit, wherein, The second input end comprises a differential amplifier connected with the first output end and configured to receive the first signal amplitude. The intermediate end comprises a power amplifier connected with the second input end, for amplifying the first-stage signal amplitude to a second-stage signal amplitude; The second output end comprises a power amplifier connected with the intermediate end; The bias circuit is connected with the second input end, the intermediate end and the second output end respectively, for setting the static working point in each end point.

4. The high resolution mine geological probe of claim 1, wherein, The clock circuit comprises a crystal oscillator, a crystal control chip, a clock frequency division circuit and a phase-locked loop, wherein the crystal oscillator is connected with the crystal control chip, the crystal control chip is connected with the clock frequency division circuit, and the clock frequency division circuit is connected with the phase-locked loop.

5. The high resolution mine geological probe of claim 1, wherein, The AD sampling circuit comprises an analog signal input end, a signal conditioning circuit, an AD converter, a real-time clock circuit and an output end, wherein the analog signal input end is connected with the signal conditioning circuit, the signal conditioning circuit is connected with the AD converter, the AD converter is connected with the real-time clock circuit, and the real-time clock circuit is connected with the output end.

6. The high resolution mine geological probe of claim 1, wherein, The second output circuit comprises an FPGA and a DSP, wherein the FPGA is connected with the output end of the AD sampling circuit, and the DSP is connected with the FPGA.

7. The high resolution mine geological probe of claim 6, wherein, The display is connected with the DSP.