Patent ID: 11953635
Assignee: INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A seismometer with high sensitivity, broadband and all-dip, comprising a first force feedback module (1), an insulator (2), a top cover (3), a terminal post (4), an upper leaf spring (5), a mass block (6), a casing (7), a sealing ring (8), an insulation gasket (9), a guide spring (10), a wire frame (11), a magnetic shoe (12), a compensation ring (13), a lower leaf spring (14), a bottom cover (15), a second force feedback module (16) and a third force feedback module (17);
wherein the first force feedback module (1) is fixed on the magnetic shoe (12), the second force feedback module (16) and the third force feedback module (17) are both fixed in a middle of the wire frame (11), the top cover (3) is tightly pressed on the upper leaf spring (5) and the magnetic shoe (12), the magnetic shoe (12) is tightly pressed on the lower leaf spring (14) and the bottom cover (15), the terminal post (4) is elastically connected to the guide spring (10), the insulator (2) is connected to the casing (7), the mass block (6) is respectively adjacent to the magnetic shoe (12) and the compensation ring (13) and is located in a middle of the seismometer, the sealing ring (8) is adjacent to the upper leaf spring (5) and is located at a bottom of the seismometer, the insulation gasket (9) is located at a top of the seismometer, and the compensation ring (13) is adjacent to the magnetic shoe (12).