Multifunctional detection device while drilling and prediction method
A technology of detection device and prediction method, which is used in surveying, earthwork drilling, wellbore/well components, etc., can solve the interference of electromagnetic wave wireless or wired transmission, the interface of geological layer is not very clear, and the measurement of drill bit azimuth cannot be guaranteed, etc. problem, to achieve the effect of strong fault tolerance, avoid gyroscope drift, and avoid magnetic field anomalies
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[0026] The specific embodiments of the present invention will be described below in conjunction with the accompanying drawings. Such as figure 1 As shown, the device includes a signal acquisition module 11 , a signal preprocessing analysis module 12 , a transmission module 13 and a ground processing prediction module 14 .
[0027] The integrated module 111 in the signal acquisition module adopts GY-9150, the chip has a built-in 16bit AD converter, 16-bit data output (13-bit magnetic field), direct digital IIC interface, and the gyroscope measurement range is adjustable: ±250, ±500, ±1000 and ±2000 o / s, acceleration measurement range: ±2, ±4, ±8, ±16g, magnetic field measurement range: ±1200uT. The maximum measurement accuracy of the accelerometer is 0.06mg, and the maximum measurement accuracy of the gyroscope is 0.008 o / s, the magnetometer measurement accuracy is 0.02uT, built-in MEMS temperature sensor, high thermal stability (easy temperature compensation) and tight of...
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