METHOD AND DEVICE FOR CONVERTING MECHANICAL ENERGY INTO ELECTRICAL ENERGY

摘要

The principal subject of the present invention is a method for converting mechanical energy into electrical energy by means of at least one piezoelectric element and at least one variable capacitor, said method comprising the steps: a) of mechanical deforming the piezoelectric element; b) of recovering the charges produced by the deformation of the piezoelectric element; c) of transferring the charges from the piezoelectric element to the capacitor; d) of modifying the capacitance of the capacitor; and e) of recovering at least some of the electrical energy. The subject of the present invention is also a device for converting mechanical energy into electrical energy, which comprises a piezoelectric element (p) and a variable capacitor (210, 212, 214), said piezoelectric element being capable of transferring charges to said capacitor.