Abstract
A design of self-generating component powered by magnetic energy harvesting is presented. In order to demonstrate the devices, a magnetic field alarm is developed. It consists of an energy harvesting module, Cockcroft-Walton circuit and piezo buzzer. The energy harvesting module is composed of coil and magnetic flux concentration core. It can generate 200 µW from an environmental magnetic field of 200 µT at 60 Hz. The Cockcroft-Walton circuit can converts the AC voltage to a suitable DC voltage for the piezo buzzer. This alarm can notice not only the magnetic field level defined by ICNIRP2010 but also the existence of magnetic field energy to be harvested. For the further developments, theoretical estimations for harvesting energy, effective permeability and optimum load condition are also discussed.
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Acknowledgements
This work was supported in part by JSPS KAKENHI, Scientific Research (C), Grant Number 25502001, 2013–2015.
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Tashiro, K., Ikegami, A., Shimada, S., Kojima, H., Wakiwaka, H. (2016). Design of Self-generating Component Powered by Magnetic Energy Harvesting—Magnetic Field Alarm. In: Mukhopadhyay, S. (eds) Next Generation Sensors and Systems. Smart Sensors, Measurement and Instrumentation, vol 16. Springer, Cham. https://doi.org/10.1007/978-3-319-21671-3_14
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DOI: https://doi.org/10.1007/978-3-319-21671-3_14
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