Photo voltaic Personal Fan – Being Cooled From the Solar

At a latest college science honest I noticed a wonderful photo voltaic personal fan that was each efficient and easy to make. Being photo voltaic powered it had the added benefit of zero emissions stroller fan B08725YG29.

The fan for this system was a 12v cooling fan sourced from a disused desk high pc. The scholars then wired a battery holder with 2 AA rechargeable batteries related in collection and related it to a 1.5v to 12v step up circuit. So as to add the photo voltaic factor a photovoltage cell was included to the circuit to recharge the batteries. This photovoltage cell, fairly ingeniously, was sourced from a photo voltaic garden light. This cell will be gently eliminated by hand from the highest of the light and the wires both de-soldered or minimize.

Establishing the ability supply
The College students needed to maximise the ability from the battery pack. The problem was that rechargeable batteries are usually 1.2V as an alternative of the 1.5V in regular alkaline batteries. Because the battery pack was placing out 2.4V as an alternative of 3V the group could not use a 3V to 12V converter. They wanted to carry it again to a 1.5V to 12V converter and never burn out the circuit. The answer was to wire a ten Ohm resistor into the circuit, proper out of the battery pack. The calculation of the resistance was finished utilizing Ohm’s legislation.

The ability supply and related electronics have been housed in a small field with the fan connected to the highest. The photovoltage cell was related with some versatile wiring to permit the cell to be adjusted for max publicity to light.

For a small portable and vitality environment friendly photo voltaic personal fan that can be utilized on desks or to supply some relief from the warmth of the day on summer season picnic it appeared a wonderful answer – particularly for these In making their very own tools.