School of Physics, Zhengzhou University, Zhengzhou 450001, China.
Henan Academy of Big Data, Zhengzhou University, Zhengzhou 450052, China.
Sensors (Basel). 2022 Jun 24;22(13):4777. doi: 10.3390/s22134777.
At present, most cone penetration test experiments use cables to transmit data. The cables not only make the exploration operation very complicated, but also hinder the realization of automatic exploration. An excessively long cable can also bring about additional attenuation and noise during the transmission of probe signal. In order to simplify the procedures of exploration operation and to improve the detection accuracy, a cableless cone penetration test system is proposed in this study. It improved the system by using magnetic communication and converts the electrical signal into a magnetic signal at the connection of two adjacent probe rods for relay transmission. Exploratory experiments were carried out to evaluate the feasibility and accuracy of the new system. The experimental results show that the experimental data collected by the new system is more accurate than that collected by traditional CPT equipment with cable. The new system simplifies exploration operations and enables real-time data transmission to detect abnormalities in time. This anomaly usually means that the probe is pressed against hard rock. It is more convenient and accurate to use the new system for exploration.
目前，大多数圆锥贯入试验实验都使用电缆传输数据。电缆不仅使勘探操作非常复杂，而且阻碍了自动勘探的实现。过长的电缆在探头信号传输过程中也会带来额外的衰减和噪声。为了简化勘探操作程序并提高检测精度，本研究提出了一种无缆圆锥贯入试验系统。它通过使用磁通信对系统进行了改进，并将电信号转换为相邻两个探头杆连接处的磁信号，以进行接力传输。进行了勘探实验来评估新系统的可行性和准确性。实验结果表明，新系统采集的数据比传统带缆 CPT 设备采集的数据更准确。新系统简化了勘探操作，并能够实时传输数据，及时检测异常情况。这种异常通常意味着探头压在坚硬的岩石上。使用新系统进行勘探更加方便和准确。
