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使用的系统的主控制器芯片，温度测量电路的反馈信号经A / D转换，到微控制器中进行处理，经过一定的算法，输出的微控制器来控制SCR导通关断，控制炉输出功率，为了实现温度控制。

The use of a system master controller chip , the temperature measuring circuit feedback signal after A / D conversion , into the microcontroller for processing , after a certain algorithm , the output of the microcontroller to control the SCR off, control furnace output power, in order to achieve temperature control.

本文介绍了单片机温度控制系统，主要包括：抽样，过滤，键盘，加热控制系统，MCS-51单片机的开发和系统应用软件的开发。纸张被分为五个章节。第一章介绍了选题背景，目的，意义和设计的总体思路。第二章介绍了主要的控制电路MCS-51单片机的核心部分，8051的基本结构和配置。第三章介绍了A / D采样技术和数字滤波技术。第四章介绍了PID温度控制算法为基础的加热控制系统和系统。第五章是系统的软件编程。
This paper introduces the SCM temperature control system , mainly including : sampling, filtering , keyboard, the heating control system , the MCS-51 microcontroller development and system application software development. Paper is divided into five chapters. The first chapter introduces topic background, purpose , meaning and design of the general idea . The second chapter describes the main control circuit MCS-51 microcontroller core part of 8051 the basic structure and configuration. The third chapter introduces A / D sampling technology and digital filtering techniques. The fourth chapter describes the PID temperature control algorithm based heating control systems and systems . Fifth chapter is the system software programming .

单片机为核心，采用固态继电器温度控制电路，自动控制炉。本文将采用PID控制，PID控制器的详细设计，硬件结构和软件设计，达到设定温度的采集和控制解决方案。该系统具有硬件成本低，控制精度高，可靠性，抗干扰能力强等特点。
Microcontroller as the core , the use of solid-state relay temperature control circuit, automatic control of the furnace . This article will use the PID control, PID controller elaborated design, hardware architecture and software design , to achieve the set temperature acquisition and control solution. The system has a low cost of hardware , high control accuracy , reliability , anti-interference ability and other characteristics .

In industrial production , current, voltage , temperature, pressure , flow, flow rate, and the main switch are commonly controlled parameters . Wherein the temperature control is also increasingly important. In many areas of industrial production , the need for all kinds of people furnace, heat treatment furnace, the temperature in the reaction furnace and boiler for detection and control. Using SCM https://www.51lunwen.org/electricalengineering/ control the temperature control is not only convenient, simple , and flexibility advantages of large , and can greatly improve the technical indicators accused of temperature , which can greatly improve the product quality and quantity. Therefore, the single-chip temperature control problem is a frequently encountered in industrial production control problem .

SCM is a set of CPU, RAM, ROM, I / O interfaces, and interrupt system and other parts in one of the devices , you only need an external power supply and the crystal can be achieved on the digital information processing and control. Therefore , SCM is widely used in modern industrial control .

SCM temperature control system is the use of SCM as a system master controller , temperature measurement circuit feedback signal by the A / D conversion , into the microcontroller for processing , after a certain algorithm , the microcontroller 's output is used to control the uncontrollable silicon -off , control the output power of the furnace , in order to achieve temperature control.

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