1、 1 摘 要 温度控制是工业生产过程中经常遇到的过程控制，有些工艺过程对其温度的控制效果直接影响着产品的质量，因而设计一种较为理想的温度控制系统是 具有不一般的价值与意义。 在现代化的工业生产中，电流、电压、温度、压力、流量、流速和开关量都是常用的主要被控参数。例如：在冶金工业、化工生产、电力工程、造纸行业、机械制造和食品加工等诸多领域中，人们都需要对各类加热炉、热处理炉、反应炉和锅炉中的温度进行检测和控制。采用 MCS-51 单片机来对温度进行控制，不仅具有控制方便、组态简单和灵活性大等优点，而且可以大幅度提高被控 温度的技术指标，从而能够大大提高产品的质量和数量。因此，单片机对温度的控制问
2、题是一个工业生产中经常会遇到的问题。 将这个问题地解决，能很好地提升生产效率，节约资源，降低生产成本。 本文从硬件和软件两方面介绍了 MCS-51 单片机温度控制系统的设计思路，对硬件原理图和程序框图作了简捷的描述该设计结构简单，控制算法新颖，控制精度高，有较强的通用性。 关键词： 单片机 温度控制 数字 PID 控制 2 ABSTRACT In the modern industrial production, the current, voltage, temperature, pressure, and flow, velocity, and switch quantity is acc
3、used of main parameters.For example,n metallurgical industry, chemical industry, electric power engineering, paper industry, machinery and food processing and so on many domains, people need to all kinds of heating furnace, heat treatment furnace, reactors and boiler temperature detection and contro
4、l.Using MCS - 51 SCM to control temperature, has not only convenient control, simple and flexible configuration advantages, and can greatly improve the technical indexes are controlled temperature, which can greatly improve the products quality and quantity.Therefore, the problem of temperature cont
5、rol chip is a industrial production we often encounter problems. Based on it, for example, hope to receive other cases and the effect. From the two aspects of hardware and software are introduced MCS - 51 SCM temperature control system design, hardware diagram and the procedures for the description of the simple diagram. Keywords: Microcomputer Temperature control system Digital PID control
