Encontramos este circuito en una publicación de 1983. Se trata de un simple circuito de alarma de toque usando un SCR del tipo C106 o equivalente. Vea el lector que, en este circuito, el disparo del SCR hace el accionamiento directo del relé desde la red local. El relé usado es entonces del tipo a 110 V, con corriente de bobina inferior a la capacidad del SCR, es decir, inferior a 1 A. C1 es un ajuste de la sensibilidad para evitar el disparo del SCR con transitorios. El diodo D2 es una protección para el SCR, evitando que la tensión inducida al cerrar el relé pueda causar daño al SCR. El sensor puede ser un pedazo de hilo pelado o una chapa de metal. R1 debe ser lo más grande posible para evitar el peligro de choque. El lector utilizó un resistor de 100 k en esta función, pero los valores más grandes pueden llevar a resultados positivos. Vea que la posición del neutro y de la fase de la toma es importante en la conexión para que el circuito funcione. Si el lector enciende su aparato en la toma de corriente y no funciona en el primer intento, basta con invertir la posición de la toma.

 


 

 

 

18.837MBMemory Usage37.59msRequest Duration
Joomla! Version5.2.3
PHP Version8.3.20
Identityguest
Response200
Templatecassiopeia
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