摘 要随着国民经济的进展,单片机技术应用已经成为高、新科学技术的重要内容和标志之一,它在国民经济的各个领域正在发挥着引人注目的作用。本系统设计热水器温度控制系统是以单片机 AT89S52 为核心,通过 3 个数码管显示温度和 4 个按键实现人机对话,使用单总线温度转换芯片 DS18B20 实时采集温度并通过数码管显示,并提供各种运行指示灯用来指示系统现在所处状态,如:温度设置、加热、停止加热等,整个系统通过四个按键来设置加热温度和控制运行模式,可以用于热水器温度控制系统和饮水机等各种电器电路中。采纳单片机的热水器温度控制系统不仅具有控制方便,简单和灵活性大等优点,而且可以大幅度提高产品的性能比指标,提高产品的质量和数量。关键词:AT89S52;DS18B20;温度控制系统AbstractWith the development of the national economy, the application of SCM technology has become one of the important content and symbol of high, new science and technology in all fields of the national economy, it is playing the role of attract sb.'s attention.Heater temperature control system design of the system of hot water is AT89S52 MCU core, the realization of human-computer dialogue temperature and 4 buttons displayed by the 3 digital tube, using a single bus temperature conversion real-time collection of temperature chip DS18B20 and through the digital tube display, and provide various operation indicator lamps are used to indicate the system present status, such as: temperature setting stop heating, heating, etc., the whole system to set the temperature and control mode of operation through the four buttons, can be used for the water heater temperature control system and water dispensers and other electrical circuit.The water heater temperature control system based on single chip is not only easy to control, simple and flexible and other advantages, and can greatly improve the performance index of the product, improve the quality and qua...