To obtain a vibration generator capable of obtaining desired power generation performance even if the vibration frequency is low.
A vibration generator 1 comprises a vibrator 10 including a plurality of magnets M1-M12 arranged so as to face the same poles and vibrating at a predetermined resonance frequency, a coil spring 5 supporting the vibrator 10 falling in the gravity direction and vibrating the vibrator 10 at a predetermined resonance frequency, a cylindrical winding bobbin 8 in which the vibrator 10 and the coil spring 5 vibrate, coils C1-C12 wound on the outer periphery of the winding bobbin 8 and connected in series in a group divided into two or more, and a plurality of rectifier circuits rectifying the output voltages of the coils C1-C12 for each group.
JP2012186983 | MULTIFUNCTIONAL VIBRATION DRIVING DEVICE |
WO/2012/133022 | VIBRATION-BASED ELECTRIC POWER GENERATOR |
JP5885314 | Vibration power generation wireless sensor |
JPH06280733A | 1994-10-04 | |||
JP2009213194A | 2009-09-17 | |||
JP2007297929A | 2007-11-15 |