Hybrid thermal insulation and vibration isolation device applied to distributed optical fiber sound wave sensing system

The invention discloses a mixed thermal insulation and vibration isolation device applied to a distributed optical fiber sound wave sensing system, the distributed optical fiber sound wave sensing system comprises a pulse generation module, the pulse generation module is used for setting a pulse generation light path, and the device comprises a counterweight box, a vibration isolation module and a vibration isolation module, a groove for arranging the pulse generation module is formed in the top end of the counterweight box, and a vibration isolation material is arranged between the inner wall of the groove and the pulse generation module; the optical fiber and optical fiber device mounting box is arranged above or below the counterweight box and is used for arranging an optical fiber light path, and vibration isolation, heat preservation and sound absorption materials are arranged in the optical fiber and optical fiber device mounting box; the composite vibration isolation spring is arranged on the outer sur