摘要
摘 要
本论文主要阐述了某供电局综合楼各系统电气设计的设计依据、原则和方法及设计选择的结论。本论文共包括六章内容，前四章主要包括强电部分设计；第五、六章主要包括弱电部分及消防设计。
强电部分主要内容包括：低压配电系统、照明系统及防雷接地系统的设计，其中包括负荷计算、照度计算等。
弱电部分主要内容包括：有线电视、公共广播系统、闭路电视监控及综合布线系统的设计。
消防部分主要报警系统、联动系统的设计等。
本供电局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： 供配电系统； 弱电系统； 消防设计
I
Abstract
Abstract
This thesis mainly explains the electrical design basis ,principle, methods and the conclusion of the design choice in each system in the design of PSB complex building. The thesis includes six Chapters. previous four Chapters are mostly about the design of the forceful electric power Part ；Chapter 5 and 6 are mostly about the design of the light current and fire-fighting.
The part of the forceful electric power mainly including: the distribution system of the low voltage, lighting system and rounding for lightening systematical compose ，among others include load calculation, illumination calculation .
The part of the light current mainly including: CATV, Public Broadcasting System, Closed Circuit Monitoring TV and Premises Distribution System and so on.
The part of the fire-fighting mainly including:the design of the warning system and linked system etc.
This electrical design of the PSB complex building is a graduation design，The purpose of this design is to give us a chance of synthetical usage of the knowledge we have learned. Besides, it can train our ability to analyze and solve practical problems in Construct electricity in dependently so that the theory is connected with practice and a solid base is made in favor of future work.
Key Words： Power supply system； Elv systems； Fire fighting design
II
目 录
摘 要 ······························································································ I Abstract ·························································································· II
1 绪论 ······························································································1 1.1 建筑电气概况 ·············································································1 1.2 设计原则 ···················································································1 1.3设计技术要求及原始数据 ······························································1 1.4设计内容 ···················································································2 2 配电系统设计 ··················································································3 2.1 负荷等级及供电要求 ····································································3 2.1.1 负荷等级分类 ········································································3 2.1.2 供电要求 ··············································································3 2.2 负荷计算 ···················································································4 2.3高低压配电系统设计 ····································································6 2.3.1电力供应主要指标和接线方式 ···················································6 2.4短路电流计算 ··········································································· 12 2.4.1短路电流计算目的及说明 ······················································· 12 2.4.2短路电流计算及短路参数 ······················································· 14 2.5开关设备选型 ··········································································· 16 3 照明系统的设计 ············································································· 20 3.1 总则 ······················································································· 20 3.2 照明光源选择 ··········································································· 20 3.3 照明灯具选择 ········································································ 20 3.4 照度和照明方式选择 ·································································· 21 3.5 一般照明 ················································································· 21 3.5.1 办公照明一般设计原则 ·························································· 21 3.5.2 设计结果 ············································································ 21 3.6 应急照明 ················································································· 22 3.6.1 应急照明分类 ······································································ 22 3.6.2 应急照明灯具选择 ································································ 22 3.6.3 应急照明灯具布置 ································································ 22 3.6.4 应急灯具控制方式 ································································ 23 3.6.5 设计结果 ············································································ 23 3.7 照度计算(计算所需灯具数量) ······················································· 24 3.7.1 本设计采用单位容量法计算灯具数量 ········································ 24 3.7.2 照明负荷平面布置 ································································ 24 4 防雷系统设计 ················································································ 25 4.1 建筑物的防雷措施 ····································································· 25
4.1.1 一般规定 ············································································ 25 4.1.2 第二类防雷建筑物的防雷措施 ················································· 25 4.2 本建筑防雷接地系统设计结果 ······················································ 28 4.2.1 防直击雷 ············································································ 28 4.2.2 防侧击感应雷 ······································································ 28 4.2.3 接地系统 ············································································ 28 5 火灾自动报警及消防联动控制系统 ··················································· 29 5.1 总则 ······················································································· 29 5.2 火灾自动报警系统 ····································································· 29 5.2.1 火灾探测器 ········································································· 29 5.2.2 手动火灾报警按钮 ································································ 32 5.2.3 消防广播 ············································································ 32 5.2.4 消防电话 ············································································ 33 5.2.５ 压力开关、水流指示器和信号阀 ············································ 34 5.3 消防联动控制系统 ····································································· 35 5.3.6 线路的敷设 ········································································· 36 6 弱电系统设计 ·············································································· 38 6.1有线电视系统 ··········································································· 38 6.1.1 前端系统 ············································································ 38 6.1.2 分配系统 ············································································ 38 6.1.3 线路敷设 ············································································ 39 6.2公共广播系统 ··········································································· 39 6.2.1公共广播系统主要功能 ·························································· 39 6.2.2公共广播系统组成 ································································ 39 6.2.3广播功放的选用 ··································································· 39 6.2.4本建筑设计结果 ··································································· 41 6.3 闭路电视监控系统 ····································································· 42 6.3.1 一般规定 ············································································ 42 6.3.2 闭路电视监控系统的组成 ······················································· 42 6.3.3 闭路电视监控系统总体设计 ···················································· 42 6.4 综合布线系统 ··········································································· 43 6.4.1 概念 ·················································································· 43 6.4.2 综合布线的特点 ··································································· 43 6.4.3 综合布线系统组成 ································································ 43 6.4.4 综合布线设计目标 ································································ 44 6.4.5 综合布线系统总体设计结果 ···················································· 44 6.5 弱电部分线缆敷设 ····································································· 44 结 论 ·························································································· 45 致 谢 ·························································································· 46 参考文献 ························································································· 47
河北工程大学毕业设计说明书
1 绪论
1.1 建筑电气概况
现代民用建筑电气技术是以电能、电子、电器设备及电气技术为手段来创造、维持和改善人民居住或工作的生活环境的电、光、声、冷和暖环境的一门跨学科的综合性的技术科学。它是强电和弱电与具体建筑的有机结合。
随着科学技术的发展和人民生活水平的不断提高，人们对有关供配电、照明、消防、防雷接地、通信、有线电视等系统的要求越来越高，使得建筑开始走向高品质、多功能领域，并进一步向多功能的纵深方向和综合应用方向发展。
建筑电气设计是在认真执行国家技术经济政策和有关国家标准和规范的前提下，进行工业与民用建筑建筑电气的设计，并满足保障人身、设备及建筑物安全、供电可靠、电能节约、技术先进和经济合理。
1.2 设计原则
本次设计是对某供电局综合楼的电气设计，本工程概况：综合办公楼，高52.5米,地上十层，第一层作为营业厅，二到九层作为办公用，顶层为电梯层。按“高规”划分，属一类高层建筑。设计需做到方案合理、技术先进、运行可靠、满足相关规范的要求，还要简捷实用、便于操作、管理和维护，减少综合投资。此次设计的目的是通过对该办公楼的各个系统的设计实践，综合运用所学知识，贯彻执行我国建筑电气行业有关方针政策，理论联系实际，锻炼独立分析和解决电气工程设计问题的能力，为未来的实际工作奠定必要的基础。
1.3设计技术要求及原始数据
某建筑大楼，负荷见负荷统计表，电源距大楼2KM，架空进线。最大运行方式下的系统的短路容量：Smax=1000MVA最小运行方式下的系统的短路容量Smin=800MVA
要求：设计某建筑大楼总降压变电站。包括供配电系统图的确定,变压器的选择，开关设备和线缆的选择，变电所的平面的布置。照明设计和电照平面图绘制。
1