过零检测信号在全自动洗衣机控制器中的应用

The Application of Zero Crossing Detection Signal in Full-Automatic Washing Machine Controller

过零检测信号是电路设计中一种非常典型的参考信号,本文从信号的采集入手,到详细阐述了过零检测信号在全自动洗衣机控制器中的几种用法,以及每种用法的难点和注意事项。该技术不但提高了洗衣机产品的可靠性,而且丰富了洗衣机产品的使用功能。

Zero crossing detection signal is a very typical reference-signal in circuit design. This paper introduces in detail the signal acquisition, several usages of zero crossing detection signal in fullautomatic washing machine controller, and the difficulty of each kind of usages and matters needing attention. This technique not only improves the reliability of washing machine products, but also enriches its use function.