PROBLEM TO BE SOLVED: To provide a power generation device which has a wide power generation frequency band so as to efficiently convert vibrational energy existing at a broad frequency band in a natural environment to electric energy.SOLUTION: A power generation device 1000 includes: a holding member 110; piezoelectric elements respectively having piezoelectric materials 121 disposed at a metal elastic plate 122 having n beams (n is a natural number equal to one or larger), the piezoelectric elements fixed to the holding member; and a connection member 130 connecting the piezoelectric elements with each other. An upper surface and a lower surface of each beam has the multiple piezoelectric materials.SELECTED DRAWING: Figure 1
【課題】自然環境に広周波数帯域で存在する振動エネルギーを効率よく電気エネルギーに変換するために、広い発電周波数帯を備えた発電デバイスを提供する。【解決手段】発電デバイス1000は、保持部材110と、n本(nは1以上の自然数)の梁を有する金属弾性板122に配置された複数の圧電体121をそれぞれ有し、保持部材にそれぞれ固定された複数の圧電素子と、複数の圧電素子を連結する連結部材130と、を備えている。梁の上面及び下面に、それぞれ、複数の圧電体を有している。【選択図】図1
POWER GENERATION DEVICE AND POWER GENERATION METHOD
発電デバイス及び発電方法
2017-03-09
Patent
Electronic Resource
Japanese
IPC: | H02N Elektrische Maschinen, soweit nicht anderweitig vorgesehen , ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES |
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