山东建筑大学毕业设计说明书
目 录
摘 要 ········································································································································ V ABSTRACT ··························································································································· VI
1.1 建筑电气概况 ··················································································································· 1 1.2 工程概况 ··························································································································· 1 1.3 设计内容 ··························································································································· 2
2照明与动力系统 ··················································································································· 3
2.1 照明设计概况 ·················································································································· 3 2.1.1总则 ···························································································································· 3 2.1.2照明设计的内容 ········································································································ 3 2.2 普通照明 ··························································································································· 3 2.2.1照明方式的确定 ········································································································ 3 2.2.2光源的选择 ················································································································ 4 2.2.3灯具的选择及安装方式 ···························································································· 5 2.2.4维护系数和反射比 ···································································································· 6 2.2.5照明标准值 ················································································································ 7 2.2.6办公照明一般设计原则 ···························································································· 8 2.2.7各参数的确定和光源的选取 ···················································································· 9 2.4应急照明 ·························································································································· 12 2.4.1应急照明分类 ·········································································································· 12 2.4.2应急照明照度值 ······································································································ 12 2.4.3疏散照明的设置 ······································································································ 12 2.4.4应急照明的供电 ······································································································ 13
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山东建筑大学毕业设计说明书
2.5负荷计算 ·························································································································· 13 2.5.1照明负荷计算 ·········································································································· 14 2.5.2动力（插座）负荷计算 ·························································································· 16 2.5.3三相动力负荷计算（含消防动力） ······································································ 18 2.6小结 ·································································································································· 19
3低压配电系统 ····················································································································· 20
3.1配电室的组成 ·················································································································· 20 3.2变压器容量的确定 ·········································································································· 20 3.2.1确定T1变压器 ········································································································ 20 3.2.2确定T2变压器 ········································································································ 21 3.3低压配电及电缆选择 ······································································································ 23 3.4小结 ·································································································································· 23
4防雷接地系统 ····················································································································· 24
4.1年预计雷击次数计算 ······································································································ 24 4.1.1已知条件 ·················································································································· 24 4.1.2雷击大地的年平均密度 ·························································································· 24 4.1.3建筑物等效面积 ······································································································ 24 4.1.4计算过程 ·················································································································· 25 4.1.5计算结果 ·················································································································· 25 4.2 三类防雷建筑物的保护措施 ························································································· 26 4.3 本建筑防雷接地系统设计结果 ····················································································· 26 4.3.1 防直击雷 ················································································································· 26 4.3.2 防侧击雷 ················································································································· 27
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山东建筑大学毕业设计说明书
4.3.3等电位连接 ·············································································································· 27 4.4小结 ·································································································································· 28
5消防系统 ······························································································································· 29
5.1 消防紧急广播兼公共广播系统 ····················································································· 29 5.2 火灾自动报警及消防联动控制系统 ············································································ 30 5.2.1 火灾自动报警系统 ································································································· 30 5.2.2 联动控制系统 ········································································································· 31 5.2.3 线路敷设及接地 ····································································································· 33 5.3小结 ·································································································································· 34
6电视监控系统 ····················································································································· 35
6.1电视监控系统地位及作用 ······························································································ 35 6.2电视监控系统组成 ·········································································································· 35 6.3摄像机 ······························································································································ 36 6.3.1摄像机重要技术参数 ······························································································ 36 6.3.2摄像机选择 ·············································································································· 37 6.3.3摄像机安装 ·············································································································· 37 6.3.4防护罩 ······················································································································ 37 6.4画面分割器 ······················································································································ 37 6.4.1解码器 ······················································································································ 38 6.5视频矩阵系统 ·················································································································· 38 6.6录像存储设备 ·················································································································· 38 6.7显示设备 ·························································································································· 39 6.8电视监控系统配线 ·········································································································· 39
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山东建筑大学毕业设计说明书
6.9电视监控系统统计及计算 ······························································································ 39 6.9.1摄像机数量统计表 ·································································································· 39 6.9.2画面处理器和硬盘容量的选择 ·············································································· 40 6.10小结 ································································································································ 41
结 论 ······································································································································· 42 谢 辞 ······································································································································· 43 参考文献 ·································································································································· 44
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山东建筑大学毕业设计说明书
摘 要
本设计说明书主要阐述了某机关综合楼照明、消防及电视监控系统的设计依据、原则、方法、过程及设备选型。主要包括：室内电气照明设计；动力与配电系统设计；火灾报警及消防系统设计；电视监控系统设计；防雷接地系统设计。照明系统设计主要包括照明方式和照明种类的选择，照明光源和灯具的选择，各场所照度计算、负荷计算和照明供电方式确定；动力及配电系统设计包括插座回路确定、动力负荷计算、供电方式的确定、导线或电缆的选择、变压器台数和容量的选择以及各出线柜的选择、各低压开关设备的选择；火灾报警及消防系统设计包括手动火灾报警按扭的设置、消防广播的设置、消防电话的设置、消防联动控制系统设计和线路的敷设；电视监控系统包括监控系统的构成、系统功能性能设计和设备选型与设置；防雷接地系统包括防雷等级确定、各种防雷措施以及等电位联结保护措施。
本综合楼电气设计为毕业设计，其目的是通过设计实践，综合运用所学知识，理论联系实际，锻炼独立分析和解决建筑电气设计问题的能力，为未来的工作奠定坚实的基础。
关键词：照明与动力系统；低压配电系统；火灾报警系统；电视监控系统；防雷接地系统
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