Solar Based Cool Cap (Wearable Electronics: Feel the Coolness, Even in the Sunlight)

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Abstract

Solar panels (arrays of photovoltaic cells) make use of renewable energy from the sun, and are a clean and environmentally sound means of collecting solar energy. The Solar Cooling Fan Caps are specially designed for summer tourists as well as fishing and climbing mountains, playing golf, sport meeting, people working outdoors and children. It’s good for preventing sunstroke and lowering the temperature and they make great gifts.  There is a solar cell in front of the cap. The solar cell can transfer solar energy directly into electric power which can turn on the fan. Its fanning can change automatically depending on the availability of sunlight.  Wear these caps during the hot summer and you can enjoy a cool, gentle and agreeable breeze. The solar Fan Cap offers you a pleasant cool world to accompany you in your summer activities. The novel design of our solar Fan Caps is fun for kids of all ages.

In this project Solar panel of 3V is used and a rechargeable battery is provided to store the energy. An ON /OFF switch is provided for user controlled operation. The uniqueness of this project is, the cap can sense the intensity of the sun light temperature and automatically switches on the cooling fan without user’s interference. A temperature sensor is used to detect the hotness intensity of the atmosphere. The user can set the temperature value, at where he wants to switch ON the cooling fan, by adjusting a preset.

A battery charger circuit is designed to charge the battery with the help of house hold AC supply for emergency conditions. This circuit uses regulated 5V, 500mA power supply. 7805 three terminal voltage regulator is used for voltage regulation. Bridge type full wave rectifier is used to rectify the ac output of secondary of 230/12V step down transformer.

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JJ

This is Mr.Jose John, 21 yrs old guy, currently pursuing final year mechanical engineering, now become an enthusiastic blogger and a successful entrepreneur.
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