公开(公告)号：US11821317B1

公开(公告)日：2023-11-21

申请号：US18120626

申请日：2023-03-13

申请人： LIAONING UNIVERSITY

发明人： Yishan Pan ,  Hongrui Zhao ,  Kuiyong Liu ,  Hao Luo ,  Wei Wang ,  Yonghui Xiao

IPC分类号： E21F17/18 ,  E21C41/16

CPC分类号： E21F17/18 ,  E21C41/16

摘要： An apparatus for improving the safety and efficiency of underground mining by issuing intelligent warnings of impending coal or rock dynamic disasters includes at least one coal or rock charge probe adaptable to a coal or rock face and configured to detect charge data generated by coal or rock cracking during a mining process, and a monitoring host electrically connected to the coal or rock charge probe and configured to receive the charge data and issue a warning of an impending coal or rock dynamic disaster when warranted by the charge data. In embodiments, the apparatus includes a plurality of channels, and is non-contacting and/or portable.