Self-powered vibration measurement sensor for coal mine drilling

• Main Authors: WEN GUOJUN, YAN ZHAOJIN, HAN YUXIANG, CHEN MINGYONG, WANG HU, LAN YONGFEI, LI YONG, PAN GUANGZHI, YANG SHUO, WANG AIYAN, WU CHUAN, LI QILONG, ZHANG LIN, LI LIANG
• Format: Patent
• Language: Chinese; English
• Published: 03.03.2023
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERATION; MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES; MEASURING; PHYSICS; SYSTEMS FOR STORING ELECTRIC ENERGY; TESTING

The utility model discloses a self-powered vibration measuring sensor for coal mine drilling, which comprises an outer shell and an end cover, the outer shell and the end cover are connected through a screw to realize sealing, a vibration table is arranged in a cavity in the middle of the outer shell, a copper electrode layer and a kapton sensing layer are arranged on the upper surface of the vibration table, and the copper electrode layer is connected with the kapton sensing layer. A copper electrode layer and a silica gel film sensing layer are arranged on the lower side of the end cover, and the copper electrode layer corresponds to the kapton sensing layer in position and corresponds to the silica gel film sensing layer in position, the sensor has the greatest advantage of being self-powered, the sensor does not need an external power supply, and underground space is saved during installation; meanwhile, the sensor has a series of advantages of low cost, simple structure, high low-frequency efficiency and