DOI:
https://doi.org/10.14483/22484728.14067Published:
2018-11-08Issue:
Vol. 12 No. 2 (2018)Section:
A Case-Study VisionSistema de encendido de combustible usando celdas Peltier
Fuel ignition system using Peltier cells
Keywords:
electric arc, peltier cells, fuel ignition, power supply (en).Keywords:
arco eléctrico, celdas Peltier, encendido de combustible, fuente de alimentación (es).Downloads
Abstract (es)
El objetivo es diseñar un sistema de alimentación para un circuito de ignición por arco eléctrico, para una estufa domestica convencional, que utilice celdas Peltier como fuente de generación de energía eléctrica. Se replicaron las condiciones normales de funcionamiento de una estufa a gas doméstica, realizando mediciones de temperatura con una cámara termográfica sobre las superficies de la estufa, y con un medidor convencional sobre su espacio interno. Partiendo de las mediciones realizadas, se seleccionó el tipo de celda Peltier más adecuado, así como también su cantidad y posición óptima. Posteriormente, se procedió a realizar un diseño del circuito prototipo tanto para la carga del dispositivo de almacenamiento como para el sistema de ignición por arco eléctrico. Se obtuvo el diseño de un circuito de alimentación basado en una batería, cuya fuente de recarga de energía está basada en celdas Peltier, teniendo un consumo estimado de 650mW. En conclusión, es posible utilizar la energía térmica producida por una estufa o cualquier otro elemento disipador de energía en forma de calor para alimentar circuitos de baja potencia, aprovechando el efecto termoeléctrico.
Abstract (en)
The objective is to design a power supply system for an electric arc ignition circuit, in a conventional domestic stove, that uses Peltier cells as electric generation source. The regular working conditions of a domestic gas stove were replicated, doing temperature measurements by means of a thermographic camera on the stove surfaces, and by means of a conventional instrument on its inner room. Starting from the measurements, the most appropriate type of Peltier cell was selected, as well as its amount and optimum location. After that, the prototype circuit was design, as for the load of the storage device, as for the electric arc ignition system. A design of a battery-based power supply circuit was obtained, whose energy recharge source is based on Peltier cells, and which has an energy consumption of 650mW. In conclusion, It is possible to use the thermal energy produced by a stove or any other energy dissipating, for supplying power to low-power circuits, taking advantage of the thermoelectric effect.
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