摘要
户式中央空调变风量控制系统由空调机组控制系统、变风量末端装置、末端控制器、中央控制器四个主要部分组成。在计算机仿真实验的基础上,设计了户式中央空调系统的末端控制器和中央控制器。末端控制器采用PID算法调节房间送风量,控制室内温度;中央控制器采集各房间温度和风量参数,对送风机进行模糊变频调速,控制系统的总送风量。给出了控制系统硬件组成和软件的实现。采用VB语言编制控制系统界面,界面简单友好,可供户式中央空调控制系统产品的开发作参考。
Household central air-conditioning VAV control system includes control system of air conditioning unit,VAV teminal,terminal controller and central controller. Based on the computional simulating result,the terminal controller and central controller were designed. The terminal controller with PID algorithm was used to control the single room temperature.The central controller＇s function is collecting the room temperature and airflow parameters, controlling total airflow of the system,and fuzzy control was introduced in the central controller according to the dynamic characteristics and behavior of the system. In the end, the organizations of hardware and technique realization of software were all particularly discussed. And VB language was used to compile control system interface,which is friendly and simple. The results have theorical signification on developing products of household central airconditioning control system.
出处
《制冷空调与电力机械》
2007年第3期60-64,67,共6页
Refrigeration Air Conditioning & Electric Power Machinery
基金
湖南省教育厅基金资助项目(No:05C193)
关键词
户式中央空调
末端变风量调节
PID控制
控制界面
household central air-conditioning
control inerface terminal regulating air volume
PID control
