一种家用净水系统的设计与实现

Design and Implementation of a Household Water Purification System

我国许多地区都存在水污染问题，家庭用水深受影响，尤其是一些贫穷的农村地区。针对家庭用水污染问题，设计了一种基于小型PLC控制的家用净水系统，对供给的原水进行净化处理，达到安全改用的目的。该净水系统的厚理和结构简单，控制方法合理，成本低廉且净水效果好，特别适合于经济条件较差的农村地区使用。

The problem of water pollution exists in many regions in our country; household water is deeply affected, especially in some poor rural areas. In allusion to the problem of home water pollution, a household water purification system based on the small- scale PLC control is designed to make the purification treatment of the supplied raw water for achieving a purpose of safe drinking. The water purification system is of the merits of simple principle and structure, rational control method, inexpensive cost and better purifying effect ; it is particularly suited to the poor rural area.