Tunnel monitoring device

• Main Authors: GUO YONGXING, ZHENG SHUNCHAO, CHENG YANG, ZHOU WANHUAN, LI GUOHONG, YAN YU
• Format: Patent
• Language: Chinese; English
• Published: 28.02.2023
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The invention relates to a tunnel monitoring device which comprises a sensing module, a signal conversion module and terminal equipment, a tunnel comprises a tunnel hole and a supporting layer formed along the edge of the tunnel hole, the sensing module comprises a sensing rod and a sensing body, and the sensing rod is laid on the supporting layer; the sensing body comprises a sensing piece, and a first fiber grating group and a second fiber grating group which are arranged on the sensing piece, the sensing piece is connected with the sensing rod, and the sensing piece deforms along with the movement of the sensing rod; the first fiber grating group collects a first dependent variable of the sensitive part along a first direction, the second fiber grating group collects a second dependent variable of the sensitive part along a second direction, and the first direction is perpendicular to the second direction in a horizontal plane; the signal conversion module is in communication connection with the first fibe