【正文】 ......48 5． 5． 3．防火墻 .............................................................................................50 5． 5． 4．服務(wù)器 .............................................................................................55 第四章．閉路電視監(jiān)控系統(tǒng) ............................................................ 59 1．設(shè)計(jì)依據(jù) ............................................................................................................59 2．設(shè)計(jì)原則 ............................................................................................................59 3．需求分析 ............................................................................................................60 3． 1．所選設(shè)備參數(shù)要求 ..................................................................................61 3． 2．信號(hào)傳輸介質(zhì)及傳輸要求 ......................................................................61 3． 3．信號(hào)控制要求 ..........................................................................................61 3． 4．信號(hào)記錄要求 ..........................................................................................61 3． 5．信號(hào)顯示要求 ..........................................................................................61 3． 6．系統(tǒng)功能要求 ..........................................................................................62 3． 7．系統(tǒng)總體要求 ..........................................................................................62 4．系統(tǒng)設(shè)計(jì) ............................................................................................................63 4． 1．產(chǎn) 品選型 ..................................................................................................63 4． 1． 1．系統(tǒng)性能和應(yīng)用特點(diǎn)分析 .............................................................63 4． 1． 2．前端設(shè)備選型 .................................................................................64 4． 1． 3．終端設(shè)備選型 .................................................................................64 4． 2．系統(tǒng)概述 ..................................................................................................65 4． 3．系統(tǒng)布點(diǎn) ..................................................................................................66 4． 4．技術(shù)要求 ..................................................................................................67 4． 5．系統(tǒng)構(gòu)成 ..................................................................................................67 4． 5． 1．前端設(shè)備 .........................................................................................67 4． 5． 2．終端設(shè)備 .........................................................................................67 4． 5． 3．傳輸介質(zhì) .........................................................................................67 4． 5． 4．供電與接地 .....................................................................................68 4． 6．系統(tǒng)功能 ..................................................................................................68 4． 7．主要設(shè)備介紹 ..........................................................................................69 4． 7． 1． CIF錄像格式硬盤錄像機(jī) ...............................................................69 4． 7． 2．全 D1錄像格式硬盤錄像機(jī) .............................................................71 4． 7． 3．監(jiān)視器 .............................................................................................73 4． 7． 4．手術(shù) 示教一體化攝像機(jī) .................................................................74 4． 7． 5．一體化攝像機(jī) .................................................................................77 4． 7． 6．彩色半球攝像機(jī) .............................................................................79 第五章．公共信息顯示與觸摸屏查詢系統(tǒng) ..................................... 81 1．設(shè)計(jì)標(biāo)準(zhǔn) ............................................................................................................81 2．系統(tǒng)概述 ............................................................................................................81 3． LED大屏幕顯示系統(tǒng) ..........................................................................................84 3． 1．系統(tǒng)構(gòu)成 ..................................................................................................84 3． 1． 1．顯示部分 .........................................................................................84 3． 1． 2. 控制部分 .........................................................................................86 3． 1． 3．軟件部分 .........................................................................................87 3． 1． 4．編輯部分 .........................................................................................87 3． 1． 5．硬件平臺(tái) .........................................................................................87 3． 1． 6．操作平臺(tái) .........................................................................................87 3． 1． 7．多媒體配套設(shè)備系統(tǒng) .....................................................................88 3． 1． 8．連接線纜 .........................................................................................88 3． 2．系統(tǒng)電路原理 ..........................................................................................88 3． 3．系統(tǒng)功能 ..................................................................................................89 3． 4．系統(tǒng)參數(shù) ..................................................................................................91 3． 4． 1．像素直徑 .........................................................................................91 3． 4． 2．屏體尺寸 .........................................................................................91 3． 4． 3．其他參數(shù) .........................................................................................92 3． 5．結(jié)構(gòu)設(shè)計(jì) ..................................................................................................92 3． 5． 1．現(xiàn)場(chǎng)情況分析 .................................................................................93 3． 5． 2．骨架結(jié)構(gòu)設(shè)計(jì) .................................................................................93 3． 6．系統(tǒng)安全性保證 .....................................