Abstract
Abstract: Heat waves often occur during sunny days in tropical regions during in summer season, with temperatures sometimes reaching over 40 to 48 degrees Celsius. These heat waves can cause heatstroke for human beings who work outside, this umbrella prototype is designed to cut of sunshine and protect them. This umbrella prototype is designed, where the fan is provided for cooling effect for a person who work outside in Sun. The designed umbrella uses solar cell attached on the above surface of the umbrella to convert solar energy into electricity. This energy is used to run a fan, light and also to charge the battery. When intensity of the sun is low the battery acts an backup for the fan, lights and mobile charging port. The key component to used for the functions is an electronic control module which includes charging circuit & discharging circuit. The charging circuit increases output voltage from the solar cell to the desired voltage to charge the battery. The discharge circuit can control electricity from the battery to drive the DC motor fan, LED indicator & charging port.
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