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摘 要 ：为了更快速高效率地进行组合式空调机组的设计，建立了以稳态仿真为基础的组合式空调机组数字化设计与分析系统。该平台通过使用Visual Basic编程语言,首先建立项目和机组管理的界面，进行进风口，过滤器，风机、加湿器、电加热器等的选型和表冷器、喷水室、蒸汽加热器、混合段的设计和仿真。确定各功能段结构参数后,通过Active X插件调用AutoCAD进行自动绘图，并使用独立开发的焓湿图功能块进行湿空气处理过程的动态显示。 关键词 ： 组合式空调机组；集中参数法；数字化设计与分析 Digital Design Platform for Combined Air Conditioning System Bai Wei Gu Bo Li Chuang Institute of Refrigeration and Cryogenics, Shanghai Jiaotong University Abstract: In order to design Combined Air Conditioning System more efficiently and quickly，a Combined Air Conditioning digital design and analysis system based on steady simulation is proposed. The platform is developed by using Visual Basic programming language. Firstly the projects and units are classified by management interface. Air inlet, filters, fans, humidifiers, electric heaters, etc. are selected from the database while cooler, air washer, steam heaters and mixed air section are designed and simulated by the exciting model. AUTOCAD is automatically called to draw the assembling drawing controlled by structural parameters of each function segment. The psychrometric chart will show the dynamic process of moist air. Keywords: Combined Air-conditioning System; Lumped parameter method; Digital design and analysis