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    [8].    《heating, ventilation and air conditioning terminology standards .》(GB/T50114—2001);

    4The main work of designs
    The main design content is based on the climate characteristics of Shanghai region to give priority to the design of winter heating demand. The original data and the calculation of the parameters analyzed this design of buildings and property of the load calculation, calculation results show that the new air-cooled heat gain load and insolation account for more than half of the total cooling load; doors envelope through the winter heat and cold air infiltration formation accounted for most of the heat load ratio. After comparing system demonstration program, from an economic as well as construction and other aspects to consider, we finally choose combing the ultimately select multi -line air conditioning system and the new system.
    The design for the air conditioning duct system pipes hydraulic calculations, as well as indoor fresh air calculation. Also, choosing multi-line system indoor unit and outdoor unit, fresh air system, fans, etc. Drawing a floor plan of the air-conditioning system, the instruction of the design and construction manual.
    5Air-conditioning system selecting
        Multi -line VRV air conditioning system is different from the traditional centralized air-conditioning duct system or a water system refrigerant system, also known as variable refrigerant volume, air conditioning system has 25 years development. Our country imported from Japan in the early 1990s , but is still widely used in recent years. As the distinctive technical features and flexible structure VRV systems, such as design, construction, easy to use, intelligent control and regulate temperature precision, accounting for little or no effective area and story building occupied, energy-saving, low noise, running safe and reliable, etc. Especially after 20 years of continuous development and innovation, outdoors, the machine and its system of continuous improvement and perfection, has been used in the past only in small-scale architecture, developed to be used in large or very large building. We can say that beside to halls, stadiums, supermarkets and other large buildings and spatial structures have special requirements for air conditioning buildings, the other almost buildings can using it. Especially in recent years, China's large-scale integrated offices and other public buildings, and even many Olympic buildings applied. nverter air conditioner features intelligent multi -line multi-level energy regulation, energy-saving and efficient, thanks to the advanced frequent control technology, the system can achieve up to a multi-stage energy regulation, its effectiveness automatically adjust cooling capacity and interior space according to different situations load which needs a " supply -demand " cold (heat). To overcome the shortcomings of traditional central air conditioning, open or semi-open single regulation, a significant reduction in energy consumption and waste. In this project, taking into account the economic and actual working conditions require that we use a multi -line air conditioning system, new ventilation system in the room. In this design, the indoor unit commit indoor sensible heat load and wet load, while the new room air handling units will be new to the indoor air enthalpy and then processed into the room only to take on new wind load.

    目录
    1工程概况    1
    1.1    题目    1
    1.2    设计目的    1
    1.3    原始资料    1
    1.4设计原则    2
    2 负荷计算    3
    2.1 冷负荷计算    3
    2.1.1文护结构逐时传热的冷负荷    3
    2.1.2 屋面瞬时传热引起的冷负荷    3
    2.1.3 内文护结构冷负荷    3
    2.1.4 透过玻璃窗的日射得热引起的冷负荷    4
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