AN APPARATUS OF ENERGY HARVESTING FOR USING PIEZOELECTRIC-CERAMIC AND MAGNET

PURPOSE: An energy harvesting device is provided to generate a voltage from a piezoelectric ceramic by using attraction force and repulsive force. CONSTITUTION: A rotary shaft(210) revolves with a ventilator(250). A support stand includes a first and a second support part. The first and the second s...

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Bibliographische Detailangaben
Hauptverfasser:	LEE, HYUN SEOK, IM, IN HO, AHN, SAENG YOUL, SERGEY CHURAYEV, KIM, MIN JI, HYUN, JUNG WOO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	PURPOSE: An energy harvesting device is provided to generate a voltage from a piezoelectric ceramic by using attraction force and repulsive force. CONSTITUTION: A rotary shaft(210) revolves with a ventilator(250). A support stand includes a first and a second support part. The first and the second support parts are arranged in both sides of the rotary shaft. A piezoelectric ceramics includes a first and a second piezoelectric ceramics. The first and the second piezoelectric ceramics are arranged in the first and the second support part, respectively. A housing(270) protects the rotary shaft, the support stand, the piezoelectric ceramics, and a magnet part from external force. A power source charging part(290) stores power which is generated by the vibration of the piezoelectric ceramics.