1、摘 要本说明书主要阐述了某财政大厦电气系统设计的原则、方法及设计选择的结果，着重于建筑电气的电气照明系统设计，电视监控及电视电缆系统设计，防雷接地系统设计以及火灾报警与联动控制系统的设计。照明系统主要包括照明部分，插座部分和应急照明部分，根据国家规范选择各房间合适的光源、灯具及照度等，通过对照明线路负荷的精确计算，合理的选择了导线和各种设备的型号。电视监控系统主要论述了摄像机的选型，监控系统和摄像机容量和个数选择。有线电视系统设计中，根据房间的用途及大小，设计有线电视信号插座，选择正确的放大器，分配器以及分支器。在防雷接地系统设计中，根据防雷等级合理选择防雷装置及接地形式。火灾自动报警与联动控
2、制系统的设计主要是火灾报警系统、广播系统、消防电话系统和联动系统的设计。关键词：照明；电视监控；电视电缆；防雷接地；火灾自动报警及联动A treasury building design of lighting and TVmonitoring systemABSTRACTThis specification mainly expounds A financial building electrical system design of the principles, methods and the results of the design choices, focuses on build
3、ing electrical electrical lighting system design, TV monitoring and TV cable system design, Lightningproof grounding system design, and the fire alarm and linkage design of control system.Lighting system mainly including part lighting, socket parts and emergency lighting parts, according to the nati
4、onal standard choose the light source of each room right, lamps and lanterns and intensity of illumination, through the calculation of the load lighting circuit, reasonable selection of the wires and various equipment models. TV monitoring system mainly discussed the camera selection, monitoring sys
5、tem and video cameras capacity and amount of choice. Cable TV system design, according to room and the use of size, design cable TV signal socket, choosing the right amplifier, distributor and the branch. n the lightningproof grounding system design, and on the basis of reasonable selection lightnin
6、g protection equipment level of lightning protection and grounding form. Automatic fire alarm and linkage design of the control system of main is a fire alarm system, broadcasting system, fire control the telephone system and linkage system design.Key Words: lighting system; CETV; CATV ; lightningpr
7、oof grounding system; fire alarm system 目 录摘要4ABSTRACT51前言11.1建筑电气发展概况11.2工程概况11.3设计内容21.4 小结22电气照明系统设计42.1简介42.2照明设计原则42.2.1 照明方式的选择原则42.2.2 照明种类的选择原则52.2.3 照明光源和灯具的选择62.2.4 选择合适的照度72.3照度计算72.3.1各场所功率密度值和照度标准确定82.3.2照度计算方法9 2.3.3灯具数量确定102.4插座设计162.4.1插座设计要求162.4.2 电源插座的设置高度要求16 2.4.3插座的选择172.4.4 插座
8、回路功率算 172.5应急照明设计18 2.5.1应急照明分类18 2.5.2应急照明灯具选择182.5.3 应急照明灯具布置192.5.4 应急照明供电方式及控制方式的确定192.6照明负荷计算方法及导线、断路器的选择原则202.6.1 照明系统分支线路负荷计算及202.6.2 导线和断路器的选择 212.7 照明负荷平面图和系统图设计252.8 小结263防雷接地系统设计273.1设计原则273.2建筑物防雷计算273.3建筑物的防雷措施283.4小结304电视监控系统设计294.1电视监控系统概况294.2电视监控系统组成294.2.1摄像部分294.2.2传输部分324.2.3控制部分344.2.4显示部分344.3视频矩阵系统
