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    • 84. 发明公开
    • 휴대용 전자기기의 자가발전장치
    • 用于便携式电子设备的自动发电设备
    • KR1020090074303A
    • 2009-07-07
    • KR1020080000036
    • 2008-01-02
    • 한국세라믹기술원
    • 백종후이영진김창일
    • H02K99/00H02K35/00
    • A self power generator of a portable electronic apparatus is provided to obtain electrical energy required for the electronic apparatus by using a vibration applied to the electronic apparatus. A self power generator of a portable electronic apparatus includes a casing(14), a fixing disk(16), a plurality of piezoelectric elements(20), a ring-shaped vibrator(22) and a plurality of springs(24). A casing is sealed by the cover. The fixing disk is fixed in the inner center of the casing. The plurality of piezoelectric elements are arranged in a circumference surface of the fixing disk with a constant interval. Each piezoelectric element is comprised of a plurality of electrodes. The diameter of the ring-shaped vibrator is larger than the diameter of the fixing disk. The ring-shaped vibrator generates the electric potential difference by colliding with the plurality of piezoelectric elements. The plurality of springs connect the ring-shaped vibrator and the casing.
    • 提供便携式电子设备的自发电机,以通过使用施加到电子设备的振动来获得电子设备所需的电能。 便携式电子设备的自发电机包括壳体(14),固定盘(16),多个压电元件(20),环形振动器(22)和多个弹簧(24)。 外壳由盖子密封。 固定盘固定在壳体的内部中心。 多个压电元件以固定间隔布置在固定盘的圆周表面中。 每个压电元件由多个电极组成。 环形振动器的直径大于固定盘的直径。 环形振动器通过与多个压电元件碰撞而产生电位差。 多个弹簧连接环形振动器和壳体。