Indirectly-excited rotating cam type piezoelectric energy harvesting device

• Main Authors: JIANG SHUAI, SHEN ZIYU, WANG SHILONG, GU XIANGFENG, YANG SHUO, JIANG FANGLONG, WANG YUECHENG, CHI RUIFENG
• Format: Patent
• Language: Chinese; English
• Published: 16.07.2021
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERATION

The invention discloses an indirectly-excited rotating cam type piezoelectric energy harvesting device which is composed of a base, a fixed pressing plate, a piezoelectric vibrator, an upper pressing plate, a lower supporting plate, a rotating shaft, a chuck and a sleeve. The base is a disc type base, the fixed pressing plate is used for fixing the piezoelectric vibrator and the chuck, the piezoelectric vibrator is composed of a metal substrate and piezoelectric ceramics, the piezoelectric vibrator is fixed to the chuck through the fixed pressing plate and screws, the upper pressing plate and the lower supporting plate are fixed to the other side of the piezoelectric vibrator through screws, the lower supporting plate is connected with a pulley shaft, a pulley is assembled on the pulley shaft, a triangular cam structure is fixed on the rotating shaft, a sliding rail groove is formed in the cam structure, the chuck is fixed on the base through the fixed pressing plate and the screw, and the sleeve is fixed wit