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本文分析了现有楼宇自动化系统的特点和实际工程应用中存在的问题,并从网络结构和功能角度论述了楼宇自动化系统的发展历程。然后,针对楼宇自动化的空间分布特性,本文提出了一种面向楼宇自动化任务的泛总线网络架构,分别介绍了泛总线网络的基本特征、运行机制及标准化信息模型。最后,以变风量空调系统为例,完成了变风量空调系统泛总线控制平台软硬件的设计与关键技术的开发,结果表明基于泛总线网络架构的楼宇自动化系统集成技术解决方案极具工程应用潜力。
This paper analyzes the characteristics of the existing building automation system and the problems in practical engineering application, and discusses the development course of building automation system from the perspective of network structure and function. Then, according to the spatial distribution characteristics of building automation, this paper presents a generic bus network architecture for building automation tasks, and introduces the basic characteristics, operating mechanism and standardized information model of the bus network. Finally, taking VAV air conditioning system as an example, the hardware and software design and key technology development of the VAV airbus system are completed. The results show that the solution of building automation system integration based on the bus network architecture has great potential for engineering application .