Induction type vibration sensor

The utility model relates to an inductance type vibration sensor, which comprises a magnet, a magnetizer, a coil, a coil framework, an elastic strip, and a casing. The coil is wound on the coil framework, the magnetizer surrounds the inside and the outside of the coil, a clearance is arranged between the coil and the magnetizer, two magnets are respectively arranged on the magnetizer at two axial ends of the coil, the N pole is opposite to the S pole. The elastic strip is positioned between one end of the magnet and the magnetizer, the both ends are fixed with the casing, and the components are all arranged inside the casing. The adoption of the principle of the electromagnetic induction enhances the induction and difference capability on the vibration, therefore the anti-interference performance is also greatly enhanced.