Digit low frequency vibration sensing device based on DSP

The utility model provides a digit low frequency vibration sensing device based on DSP, include sensing unit, take care of unit and connection cable, sensing unit includes: geophone, sleeve, installation base, upper cover, a rubber gasket, the 2nd rubber gasket and rubber cap, telescopic inside is embedding and telescopic inner chamber assorted geophone closely. The advantage does: casing to sensing unit designs, make geophone be arranged in the sleeve, and the sleeve is installed on the base, and consequently base rethread bolt connection, adopts bolt connection on fixing the testee, has the installation and dismantles convenient advantage, in addition, sensing unit still has the precision height of detection and the good advantage of waterproof performance, the adoption cable is with sensing element and take care of separately setting of unit, and on the one hand, the sensing element partial volume is very little, takes care of the unit and adopts general shell connector, and it is all very convenient that