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Pedal Powered Generator for Mobile Charging

Cell Phones Energy Recipient. Input Board Energy Regulation. Control Board Energy Readings. Pedal System Energy Conversion. Output Board Energy Division. Battery System Energy Storage. Pedal Powered Generator for Mobile Charging

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Pedal Powered Generator for Mobile Charging

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  1. Cell Phones Energy Recipient Input Board Energy Regulation Control Board Energy Readings Pedal System Energy Conversion Output Board Energy Division Battery System Energy Storage Pedal Powered Generator for Mobile Charging Haiying Lu (ECE) │ Jason Xu (ECE) │ Kimo Spector (MEMS) │ Norman Pai (ECE) │ Tiffany Kuo (ECE) • Objective • Design a portable and fast charging device harnessing human-generated power • Provide a reliable source of energy for charging mobile phones. • Market device for sale to vendors (NGOs, entrepreneurs) in developing countries. • Vendors can charge using a per-use model Less than $0.05 each time a customer charges a phone Specifications G-Ped System 1 2 • Mobile Phone = Life Line • Two-thirds of the world’s five billion plus mobile phone users live in developing countries. Over 2 billion of them are in areas without reliable electricity sources. • Cell-phones are critical communication tools: • Trade – Buy and sell crops, obtain price quotes • Healthcare – Connect remotely to health professionals • Banking – Conduct transactions like deposits and withdrawals • Results • User pedaling outputs (depending on effort): • Easy-moderate pace: 30 watts • Charge 1 cell phone in less than 15 minutes • Strenuous pace: 65 watts (max) • Belt slippage occurs when faster • User display LEDs • Green – Battery charged • Yellow– Charging (sufficient RPM) • Red – Battery empty • Solution • G-Ped is specifically designed for cell phone users in developing countries. • Independent system • Rigid structure • Weather and dust proof • User friendly • Easy to maintain • G-Ped is adaptable to the Universal Charging Solution (UCS) that will be used by virtually all mobiles made after 2012. 3 4 Area = Total Energy Generated in 2 minutes 0 60 120 Side view of system 5 27.6% charged Isometric view of system 13.6% charged 6 • Existing Chargers Acknowledgments Project funds provided by Rice Electrical and Computer Engineering (ECE) Department and Oshman Engineering Design Kitchen (OEDK). Thanks to our mentors: Gary Woods (ECE), Richard Gerhold (Consultant), and J.D. Wise (ECE). Datexx Super-Battery A portable hand crank phone charging device. * = Typical 860 mAh cell phone battery

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