Piezoelectric vibration module

摘要

Disclosed herein is a piezoelectric vibration module including: a piezoelectric element repeatedly extended and compressed according to application of external power to generate vibration force; a vibration plate having the piezoelectric element coupled to one surface thereof and repeatedly extended and compressed integrally with the piezoelectric element to transfer the vibration force of the piezoelectric element to an external component; a weight body having a central portion coupled to the other side of the vibration plate in order to increase the vibration force of the piezoelectric element; and a coupling member fixedly coupling the central portion of the weight body and the vibration plate to each other.

主权项

1. A vibration module comprising:
a vibrator configured to generate vibration force; a vibration plate having one surface coupled to the vibrator; a weight body having a central portion coupled to another surface of the vibration plate to increase the vibration force; a coupling member fixedly coupling the central portion of the weight body and the vibration plate to each other; and contact prevention members coupled to both ends of the weight body to prevent a contact between the weight body and the another surface of the vibration plate that is not fixedly coupled to the weight body, wherein the coupling member fixedly couples a pair of opposite sides of the vibration plate facing the central portion of the weight body and a pair of opposite sides of the central portion of the weight body to each other.