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# Bicicleta generadora de electricidad y panel de control [:link: Ver todos los tutoriales del proyecto Carro Urbano](https://hackmd.io/fj_mj9mOQ-uG6XhNThWGhQ?both) ![bicigeneradora](https://hackmd.io/_uploads/S1tJQvxkA.jpg =500x) ###### tags: `Energia` `Bicicleta` `Dynamo` > :bike: ¿Cómo producir nuestra propia energía? :zap: > Usando una bicicleta (la misma que la que trae el carrito - [ver tutorial](https://hackmd.io/19N7HDYjREuQKorPJVZx-Q)), un rodillo de entrenamiento y un motor, fabricamos una bici-generadora para utilizar la fuerza de nuestras piernas para alimentar un altavoz ([ver tutorial](https://hackmd.io/sJluDm0wRJC8aKLcBHMbGQ)) o para cargar móviles. > Proyecto del colectivo [Slow lab](https://www.slowlab.org/es) & la [cooperativa aquí](https://aqui.design/), en colaboración con la fundación [Contorno Urbano](https://www.contornourbano.com/). ## :pencil: Material #### Bici generadora * Bicicleta (cualquier modelo de carretera o de montaña funciona) * Rodillo de entrenamiento de bicicleta (por ejemplo B’twin in ride 100) * Motor de corriente continua de 24VDC, 250W (se pueden encontrar motores de patinetes y scooters de segunda mano) - por ejemplo modelo MY1016 * Acoplamiento rígido de ejes de 8mm a 10mm para conectar el motor al rodillo * Cables electricos (~2 metros, >= 0.75mm de diametro) * Madera para la base (150mm X 150mm X 10mm de grueso) * 2 bisagras pequeñas * 1 varilla roscada (~300mm, 6mm de diametro) * Caja hermetica para cables (~100mm X 100mm X 50mm) * 2 diodos Schottky 10A 45V * 1 fusible 12A y un portafusible #### Panel de control * 3 Interruptores, conectores (o regletas), conectores hembras y macho. * 1 Pantalla LCD multímetro digital DC Power Meter 6.5V-100V 20A * Step-down converter - reductor de corriente ajustable de 7V-32V a 0.8V-28V y corriente de salida 0.2A-9A ajustable * Madera para la caja (~150mm X 150mm X 100mm) ## :electric_plug: Herramientas * Multimetro * Soldador y estaño * Sierra * Taladro * Atornilladores ## :hand: Etapas ### Bici generadora Desmontar la resistencia del rodillo de entrenamiento hasta tener acceso al eje. > Desmontar cilindro de plástico negro que produce la resistencia al rodillo de entrenamiento, y así aparece el eje del rodillo. > > Ver fotos antes/después. ![image](https://hackmd.io/_uploads/ry0bnBlJC.png)*Antes / Después* ![image](https://hackmd.io/_uploads/HJFI3BgkA.png)*Partes desmontadas* - [ ] Juntar el eje del motor al eje del rodillo con un acoplamiento de ejes. > → Medir el diametro del eje del rodillo y del motor para saber el tamaño de acoplamiento que comprar ![material_bicigeneradora](https://hackmd.io/_uploads/H18IRreJC.png) - [ ] Atornillar el motor a la base de madera. - [ ] Juntar la base de madera y la estructura del rodillo con las bisagras, y utilizar la varilla roscada para sujetar el motor a la parte ajustable del rodillo de entrenamiento. - [ ] Conectar el diodo y fusible en serie entre el motor y la entrada del panel de control siguiendo el esquema abajo, y protegerlos en una caja hermética. ![image](https://hackmd.io/_uploads/BJrfgLeJC.png) > El diodo se conecta al circuito con una soldadura o con conectores de cables. > El fusible se conecta con un portafusibles que se conecta luego al resto del circuito. O con una soldadura, o con un conector de cables. ![motor_bicigeneradora](https://hackmd.io/_uploads/rysR6BekR.png)*Resultado con el eje del rodillo conectado al eje del motor. Y la caja hermética con el diodo y el fusible atornillada abajo.* --- ### Panel de control ![image](https://hackmd.io/_uploads/H1nsMLlyA.png =500x)*caja panel de control con su multímetro digital* Fabricar una caja de madera que servirá de panel de control con: - [ ] 2 entradas para las fuentes de energía : panel solar y bici-generadora con interruptores para utilizar la una o la otra o las dos juntas para ampliar la potencia. - [ ] Un conversor de tensión para bajarla a un nivel determinado. Se tiene que ajustar según la tensión expecta (en nuestro caso 24V para alimentar un altavoz). - [ ] En paralelo, hemos añadido (con conectores o regletas) un conversor USB para poder cargar móviles o conectar aparatos de tensión más baja (ver esquema abajo). ![image](https://hackmd.io/_uploads/HJvX78gk0.png) ### :eyes: Zoom sobre el material ![image](https://hackmd.io/_uploads/H1Dd-IekR.png =150x)*conversor de tensión ajustado a 24V en nuestro caso* ![image](https://hackmd.io/_uploads/rkh2-8ekA.png =150x)*conversor 5-32V a usb* Para todas las entradas (solar, humana) y salidas de electricidad, hemos usado conectores machos y hembra básicos como estos: ![image](https://hackmd.io/_uploads/SyXVM8e1R.png =180x) *conectores machos y hembra* :::info :mag_right: **Referencias** Si tienes curiosidad por experimentar con una bicicleta estática, aquí puedes encontrar [un tutorial de Low-tech Magazine para construir la tuya](https://solar.lowtechmagazine.com/es/2024/01/how-to-build-a-practical-household-bike-generator/) . Nos hemos inspirado del mismo para la parte electrónica de este tutorial, adaptado en nuestro caso para una bicicleta normal. :::

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