FINAL SYANDES REPORT 2
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The Hallow flashlight is powered by body heat using Peltier tiles that produce electricity when one side is heated and the other cooled. It uses this thermoelectric effect to power a steady beam of LED lights for 20 minutes from the heat of a user's hand. While innovative in its hand-powered design, the flashlight only outputs 24 lumens, less brightness than commercial flashlights that can produce dozens or hundreds of lumens.
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The document describes a heat-powered flashlight called The Hallow that uses a patent-pending design incorporating Peltier tiles. The flashlight generates electricity from the difference in temperature between the user's body heat and the cooler outside of the flashlight body. This allows it to produce a steady beam of LED light for 20 minutes with only body heat as an energy source, though its brightness of 24 lumens is less than commercial flashlights that can output dozens or hundreds of lumens. The inventor still needs to secure the patent and further refine the prototype before bringing it to market.
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The document describes a heat-powered flashlight called The Hallow that uses a patent-pending design incorporating Peltier tiles. The flashlight generates electricity from the difference in temperature between the user's body heat and the cooler outside of the flashlight body. This allows it to produce a steady beam of LED light for 20 minutes with only body heat as an energy source, though its brightness of 24 lumens is less than commercial flashlights that can output dozens or hundreds of lumens. The inventor still needs to secure the patent and further refine the prototype before bringing it to market.
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The document summarizes a seminar about a hollow flashlight device that harvests energy from human body heat using the Peltier effect. The flashlight contains Peltier tiles mounted on a hollow aluminum tube, with one side heated by a person's hand holding the tube. This creates a temperature differential that the Peltier tiles convert into electricity using thermoelectric effect. This harvested energy from body heat is enough to power an LED light for over 20 minutes. The flashlight provides an advantage over batteries by providing clean, renewable energy from waste heat without using chemicals. Researchers are exploring ways to power small devices like hearing aids using excess body heat.
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FINAL SYANDES REPORT 2
- 3. MECHANICS AND FEATURES • PELTIER TILES - produce an electrical current when opposite sides are heated • • • • and cooled at the same time. **Peltier tiles are a common thermoelectric tool that produce electricity when one side is heated and the other remains cool – a phenomenon called the Seebeck effect. ** BODY HEAT- The basic principle revolving around the idea of the hear powered flash light Steady beam of LED lights for 20 min ** patent-pending design used a transformer of its own**
- 4. • Only puts out 24 LUMENS compared to other commercial flashlights that “And then there’s the business of securing her flashlight’s patent and tweaking the prototype for market. At roughly 24 lumens, Ann’s flashlight’s brightness falls shy of commercial flashlights, which output dozens if not hundreds of lumens.”