| 摘要 |
PROBLEM TO BE SOLVED: To solve such problems of a conventional system for generating power by using power generation elements that the installation place of the device is limited, generation efficiency per piezoelectric element installation area is not high, because the loading does not act simultaneously on the all piezoelectric elements, power is not generated continuously because the loading is applied momentarily, and the like.SOLUTION: (a) A case where a piezoelectric unit 20 rotates or oscillates in a pressure transmission medium 15. Soil pressure 44 in the ground has directivity under the influence of an ocean plate, and the like. When the piezoelectric unit 20 rotates or oscillates in the pressure transmission medium 15, the pressure acting on the piezoelectric unit 20 varies to cause power generation. (b) A case where the piezoelectric unit 20 moves up and down in the pressure transmission medium 15. On the surface of the earth, in the ground under the water surface 21, or in the water, the soil pressure or the water pressure 22 acts on the pressure transmission medium 15 in the horizontal direction. When moving the piezoelectric unit 20 moves up and down in the pressure transmission medium 15, the pressure acting on the piezoelectric unit 20 varies to cause power generation. |
