US 12,287,445 B1
Coal rock interface directional detection device and method based on elastic waves
Yifan Zeng, Beijing (CN); Xianhui Wang, Beijing (CN); Qiang Wu, Beijing (CN); Chunsheng Liu, Beijing (CN); Fei Chen, Beijing (CN); Jia Zhao, Beijing (CN); and Zhuangjie Cui, Beijing (CN)
Assigned to CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING, Beijing (CN)
Filed by CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING, Beijing (CN)
Filed on Nov. 7, 2024, as Appl. No. 18/939,876.
Claims priority of application No. 202410174981.5 (CN), filed on Feb. 7, 2024.
Int. Cl. G01V 1/46 (2006.01); G01V 1/50 (2006.01)
CPC G01V 1/46 (2013.01) [G01V 1/50 (2013.01); G01V 2210/641 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A coal rock interface directional detection device based on elastic waves, comprising:
a probe body; wherein the probe body comprises an elastic wave receiving device and an elastic wave excitation device set at an interval at the top; one side of the probe body is provided with an adapter; a cross-sectional size of the adapter is smaller than a cross-sectional size of the probe body;
a protective tube with one end connected to the adapter; wherein, the protective tube comprises a collection circuit board inside the protective tube; the collection circuit board has an electric connection with the elastic wave receiving device and the elastic wave excitation device;
a sleeve, installed outside the protective tube, with one end connected to the side of the probe body near the adapter and with the other end connected to a side of the protective tube away from the adapter; and
a control host, having a wireless connection with the collection circuit board; wherein
the protective tube comprises: a first tube and a second tube which are connected; a diameter of the first tube is smaller than a diameter of the second tube; one end of the first tube has a threaded connection with the adapter; one end of the second tube has a threaded connection with the sleeve; and the collection circuit board is arranged inside the second tube;
the first tube is equipped with a sliding nut, which has a threaded connection with the end of the first tube to cover the adapter;
the probe body has a threaded connection with a protective cover at one end away from the adapter;
the elastic wave excitation device is located near the adapter; and
the collection circuit board is equipped with a processing module, an elastic wave excitation circuit, an elastic wave reception circuit, a wireless communication module, a power supply module, and a storage module; the elastic wave excitation circuit, the elastic wave reception circuit, the wireless communication module, the power supply module, and the storage module have an electric connection with the processing module; the elastic wave excitation circuit has an electric connection with the elastic wave excitation device; the elastic wave reception circuit has an electric connection with the elastic wave reception device; and the wireless communication module is in communication with the control host.