BATTERY FILL UP APPARATUS USED BY VIBRATION-ENERGY

摘要

PURPOSE: An apparatus for charging a battery using vibration energy is provided to reduce energy loss by manufacturing a piezoelectric element and a piezoelectric transformer with the same material. CONSTITUTION: A piezoelectric element unit(100) changes irregular very small kinetic energy added from the outside into electric energy. A piezoelectric transformer(110) transforms the electrical energy converted in the piezoelectric element into an electric signal having certain intensity. A rectifier(120) rectifies the electric signal converted in the piezoelectricity transformer into a DC power supply. A smoothing unit(130) filters noise signals included in the electric signal rectified in the rectifier. A constant voltage unit(140) outputs signals generated from the smoothing unit into a constant voltage having a constant size. A charge unit(150) charges the voltage signal inputted from the constant voltage unit.