摘要:本课题研究设计了一个基于单片机的居民楼太阳能热水器的水位水温控制系统。设计以单片机为核心，配合LM1042水位传感器、独立式键盘、LED显示器件，完成对太阳能热水器水箱内的水位与温度的检测和控制，实现缺水时自动上水、水满或温高时自动报警、手动上水、水温加热功能。本设计涉及的模块主要有水位水温检测报警、键盘输入模块、显示模块、电加热以及上水模块，配合以软件设计，在已有的太阳能热水器基础上，以单片机为核心，对系统的智能化水平作了进一步研究与提高，完善控制系统，从而让居民更为方便的使用太阳能热水器。

关键词  居民楼太阳能；单片机；水位控制；水温控制；电加热

Abstract:This design is mainly design for a residential building solar energy water heater water level water temperature control system based on single chip microcomputer. Designed micro controller as the core, with the LM1042 water level sensor, LED ,as well as water temperature alarm device, solve solar water heater tank water level and temperature measurement and control, to achieve automatic water water shortage, water full or high temperature alarm. This design includes the module mainly comprises a water temperature detection and alarm, the keyboard input module, display module, electric heating, water module, with the basis of software design, for the existing solar water heater, single-chip microcomputer as the core, the system made further research and improve the intelligent level, perfect control system, in order to make people use solar water heater for more convenient.

Keywords  Residential building of solar energy  Single chip microcomputer  Water level control  Water temperature control  Electric heating