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太阳能热水器使用方便、节能、无污染,普及推广迅速,如何方便、舒适、安全地使用它越来越受到人们关注。目前,多数太阳能热水器不带控制装置或其智能化水平不高,本文介绍的太阳能热水器辅助控制系统以单片机为核心,实现对储水箱水位、水温等进行检测和显示。该辅助系统还能控制自动上水、水满自停、防止溢水;在无光照的阴雨天或寒冷季节进行辅助电加热,且温度可由用户预置;在寒冷的冬季能对上水管道的水进行排空,防止管道冻裂;具有防漏电、防干烧等多种安全保护和声光报警功能,采用手动与自动双重控制,提高了系统的
Solar water heater easy to use, energy saving, pollution-free, popularization and promotion of rapid, how easy, comfortable and safe to use it more and more attention. At present, most solar water heaters do not have a control device or their intelligent level is not high. The solar water heater auxiliary control system described in this paper takes the single chip microcomputer as the core to detect and display the water level and the water temperature of the water tank. The auxiliary system can also control the automatic water, the water is full stop, to prevent overflow; in the light of the rainy days or cold season auxiliary electric heating, and the temperature can be preset by the user; in the cold winter on the water pipe water For emptying, to prevent pipe cracking; with leakage prevention, anti-dry and other security and sound and light alarm, dual manual and automatic control, improve the system