A wireless geophone based on STM32

Seismic geophone is the key instrument for seismic data acquisition in the fields of oil and gas exploration and other relevant fields. It plays an important role in data quality,subsequent processing and interpretation. Aiming at the shortcomings of the existing geophones,such as large volume,heavy weight,unable to monitor in real-time,and heavy workload of data transmission and storage,this paper designs and implements a wireless geophone based on STM32 embedded microcontroller. It is mainly composed of STM32 microcontroller, acceleration sensor, global positioning system (GPS) module,Wi-Fi module and real-time seismic data receiving and processing module. Firstly,the acceleration of vibration in three directions is sensed by the acceleration sensor; secondly,the sampling and analog-to-digital conversion of the vibration data is controlled by the microcontroller; thirdly,the vibration and GPS data are sent to the personal computer (PC) through Wi-Fi,and the personal coomputer PC-side software module completes the reception,display,monitoring and storage of the seismic data; finally,the feasibility and effectiveness of the designed wireless geophone are verified through actual seismic data acquisition experiments. © 2023 Inst. of Scientific and Technical Information of China. All rights reserved.