论文总字数：1832字

摘 要

本汽车销售大楼工程位于上海市，总建筑面积7326平方米，共三层，包括汽车修理车间、库房、客户等待区、休闲娱乐、餐厅等各功能建筑空间。本设计为该建筑提供一套舒适性空调系统。敞开的高大空间，如一层的大厅及新车展示区、二层的新车展示区和二手车展示区采用全空气系统。由于一层层高6米，长70余米，宽10余米，二层展销厅上空，均需要球形喷口均匀送风。其余房间采用风机盘管加新风的半集中式系统，新风采用集中处理，每层设一个新风机房。水系统尽量采用闭式同程系统，部分采用异程式系统。冷热源选择单螺杆风冷式热泵机组，设置在二层设备平台，夏天可以提供冷水，冬天可以提供热水。冷冻水泵选择三台，两用一备，水泵并联运行。

关键词：全空气系统 风机盘管加新风系统 单螺杆风冷式热泵机组

The design of air condition system of an automobile 4S store in Shanghai

Abstract

The project is located in Shanghai, which is 7326m². It has three layers, including the car repair shop, warehouse, customer waiting area, leisure and entertainment, dining room and other functional building space. This design will provide the building with a suit of comfortable air condition system. For open space, such as the hall and new car show area on the first floor , the new car show area and the used car display area on the second floor, will use all-air system. Due to the first floor of 6 meters high, more than 70 meters long, more than 10 meters wide, and the second floor of exhibition hall is hollow, the areas need ball nozzle outlets to uniform air distribution. Other rooms use semi centralized system of fan coil units and fresh air. The fresh air is treated by fresh air conditioner, and each floor sets a fresh air conditioning room. The most water system adopts closed reverse return system as fully as possible，the other adopts direct return system. Cold and heat sources use air-cooled heat pump units with single-screw, which set on the equipment platform on the second floor outside. It can provide cool water in summer and heat water in winter. The cooled water pump choose three sets, two operate and one standby. The pumps adopt parallel connection.

Key Words: All-air system; Fan coil units and fresh air system; Air-cooled heat pump units with single-screw

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