SOLAR HANDICAPPED SOLAR HANDICAPPED WHEEL CHAIRWHEEL CHAIR

NameName

WheelchairWheelchair

• A modern lightweight rigid-frame manual chair.A modern lightweight rigid-frame manual chair.• • A modern midwheel based battery powered chair.A modern midwheel based battery powered chair.• A A wheelchairwheelchair is a is a chairchair with wheels, designed to be a with wheels, designed to be a

replacement for walking. The device comes in variations replacement for walking. The device comes in variations where it is propelled by motors or by the seated occupant where it is propelled by motors or by the seated occupant turning the rear wheels by hand. Often there are handles turning the rear wheels by hand. Often there are handles behind the seat for someone else to do the pushing. behind the seat for someone else to do the pushing. Wheelchairs are used by people for whom Wheelchairs are used by people for whom walkingwalking is is difficult or impossible due to difficult or impossible due to illnessillness (physiological or (physiological or physical), injury, or physical), injury, or disabilitydisability. People with both sitting and . People with both sitting and walking disability often need to use a walking disability often need to use a wheelbenchwheelbench..

Wheel chairWheel chair

TypesTypes

• Manually poweredManually powered

• Electric-poweredElectric-powered

• Other variantsOther variants

• Sports variantsSports variants

• Transfer, stretcher, or mechanicalTransfer, stretcher, or mechanical

• All terrain variantsAll terrain variants

Electric motorElectric motor

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• An An electric motorelectric motor is an is an electromechanicalelectromechanical device that device that converts converts electrical energyelectrical energy into into mechanical energymechanical energy..

Solar powerSolar power

• Solar powerSolar power is the conversion of is the conversion of sunlightsunlight into into electricityelectricity, either directly using , either directly using photovoltaicsphotovoltaics (PV), or indirectly using (PV), or indirectly using concentrated solar powerconcentrated solar power (CSP). (CSP). Concentrated solar power systems use Concentrated solar power systems use lenses or mirrors and tracking systems to lenses or mirrors and tracking systems to focus a large area of sunlight into a small focus a large area of sunlight into a small beam. Photovoltaics convert light into beam. Photovoltaics convert light into electric current using the electric current using the photoelectric effectphotoelectric effect

Battery Battery

a a batterybattery is a device consisting of one or is a device consisting of one or more electrochemical cells that convert more electrochemical cells that convert stored chemical energy into electrical stored chemical energy into electrical energySince the invention of the first energySince the invention of the first battery in 1800 by Alessandro Volta and battery in 1800 by Alessandro Volta and especially since the technically improved especially since the technically improved Daniell cell in 1836, batteries have Daniell cell in 1836, batteries have become a common power source for become a common power source for many household and industrial many household and industrial applications. applications.

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