H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 41/26 (2006.01) H05B 41/282 (2006.01)
Patent
CA 2273056
Usually solar lamps consist of a lamp with a 6 Volt or 12 Volt rechargeable battery and a 6V or 12V bulb. The solar lamp is charged by a solar panel which produces electricity on exposure to sunlight and charges the 6V or 12V rechargeable battery during the day time. At night, the charged battery operates a 6V or 12V bulb in the lamp, producing light. In this invention called the "Portable Jaffna Solar Lamp", a 15 watt solar panel, on exposure to sunlight, produces electricity and electrically charges a completely sealed, maintenance-free, rechargeable, 12 Volt 17 Ampere Hour Lead acid battery (battery capacity can range from 17 to 20 Ampere Hours). But unlike in other models of solar lamps and 12V lights, here, the 12 Volt current is fed to a standard 350 watt inverter (the inverter may range in capacity from 250 to 350 watts) which produces 110 Volt current from the 12Volt current. The 110 Volt current is now fed to a 110 Volt 23 watt Compact Fluorescent bulb to produce light. The very low (watt) energy consumed by this particular type of bulb makes it possible to have an excellent portable lamp with a very high light output of 1580 lumens, giving light for 5 to b hours in remote areas, on camping trips or in emergencies. Instead of using a solar panel to charge the "solar lamp", one could also use the cigarette lighter socket of an automobile or other 12V source. The Portable Jaffna Solar Lamp is so designed that on exposure of the 15 watt solar panel to about 8-10 hours of sunlight, the lamp can provide portable light for about 5 to 6 hours at night. A charge controller may be used to connect the solar panel to the lamp where necessary (according to the size of the solar panel used).
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