Mining drilling track wireless monitoring system and monitoring method
A monitoring system and trajectory technology, applied in the field of geological exploration, can solve problems such as the inability to monitor the trajectory of boreholes in real time, and achieve the effect of extending the working time and improving the transmission distance.
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Embodiment 1
[0038] The embodiment is basically as attached figure 1 shown, including:
[0039] The acquisition module is used for real-time acquisition of drilling trajectory data;
[0040] The encoding module is used to encode and modulate the trajectory data in real time, and wirelessly transmit the encoded and modulated trajectory data through electromagnetic waves;
[0041] The decoding module is used to receive the coded and modulated processed trajectory data in real time, adopt an impedance matching algorithm to extract the coded and modulated processed trajectory data, and decode the coded and modulated processed trajectory data after amplification and filtering to obtain decoded trajectory data;
[0042] The stop module is used to judge in real time whether the collection and transmission of the trajectory data need to be stopped according to the decoded trajectory data adaptively. If the collection and transmission of the trajectory data need to be stopped, an instruction to st...
Embodiment 2
[0051] The only difference from Embodiment 1 is that in S1, the acquisition module is a high-precision magnetic sensor, and the high-precision magnetic sensor collects the three-component value of the earth's magnetic field in the borehole in real time; in S3, the decoding module receives the three-component value of the earth's magnetic field in real time, and The three-component value of the earth's magnetic field is decoded into the direction angle data; in S4, the stop module judges whether the collection and transmission of the trajectory data need to be stopped according to the direction angle data in real time. In this way, it is easy to judge whether the trajectory of the drilling hole is curved or inclined through the direction angle data, and the change of the direction angle data can also be reflected by the vibration of the drill pipe, so as to continuously monitor the vibration of the drill pipe during the drilling process.
Embodiment 3
[0053] The only difference from Embodiment 2 is that after the trajectory data of the borehole is collected, the trajectory data of the borehole is corrected. Since the trajectory data needs to be collected by various sensors, most of the sensors are magnetic sensors. Magnetic sensors convert the magnetic property changes of sensitive components caused by external factors such as magnetic field, current, temperature, light, stress and strain into electrical signals to detect corresponding physical quantities. For example, physical parameters such as current, position, and direction. Due to the presence of magnetic materials inside the sensor, degaussing may occur under the action of external factors, such as external magnetic field, heating, high temperature, impact, so that the magnetic moment direction of each magnetic domain in the magnetic material will become inconsistent, resulting in weakening or disappearing of magnetism , which in turn leads to inaccurate trajectory d...
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