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介绍了一种智能温控表的设计方法、系统构成和软件设计;该智能温控表以STC12C5A60S2单片机为核心,采用高精度PT1000铂电阻作为温度传感器,通过内置的10位A/D转换器采集到电压信号,实现对当前的环境温度采集,将目标温度值与实际温度值经过增量式PID运算得出相应控制量数据,可使得控制的温度稳定在与目标温度误差2℃以内,控制精确高,可靠性好;另外该智能温控表还具有通用性强,可方便连接控制多种加热设备、便于检测和修改的模块化编程、参数可调和使用灵活等优点。
The design method, system configuration and software design of an intelligent temperature control meter are introduced. The intelligent temperature controller is based on STC12C5A60S2 microcontroller and adopts high precision PT1000 platinum resistance as the temperature sensor. It is collected through a built-in 10-bit A / D converter To the voltage signal to achieve the acquisition of the current ambient temperature, the target temperature and the actual temperature value obtained through incremental PID operation to obtain the corresponding amount of control data can be controlled temperature stabilized at a target temperature error of less than 2 ℃, accurate control High, good reliability; In addition the intelligent temperature control also has versatility, can be easily connected to control a variety of heating equipment, easy to detect and modify the modular programming, adjustable parameters and the use of flexible advantages.