綜合管廊

四川綜合管廊專案應急通訊解決方案

綜合管廊

項目背景

這條四川 2.8 公里綜合管廊是重要的城市地下生命線。封閉、潮濕的空間容易形成通訊盲區,導致協同不暢和應急風險。

1. 專案背景

四川某地下綜合管廊項目位于城市核心區,是市政管線集中承載枢纽,全長約 2.8 公里。項目採用多舱室设计,包括電力舱、通信舱和綜合舱,承載電力、通信、給排水、燃氣等關鍵市政管線,是保障城市正常運行的“地下生命線”。
該綜合管廊穿越重点商圈和老城區,地质条件复杂。管廊内部空間封閉、光線较暗、潮湿多塵,管線分布密集,巡檢通道狭窄,给日常巡檢和應急處置带来较大挑战。
綜合管廊需要維護人員定期巡檢。一旦發生管線泄漏、設備故障、人員被困等突發情況,傳統通信方式容易出現信號遮擋严重、通信盲區多、指令傳達延迟等问题,導致維護人員與管理中心之間難以高效协同,可能造成事故擴大并影響城市正常運行。

2. 專案需求分析

結合綜合管廊日常巡檢和應急處置的實際需求,核心要求如下:
  • 實現綜合管廊全區域語音通信覆蓋无盲區,支持維護人員手持終端、管廊固定終端與管理中心之間雙向对讲,并确保多支队伍可同時在線协同作业。

  • 具備應急聯動功能,支持與管廊既有消防警報系統、環境監測系統(温度、湿度、氣体濃度、積水)和通风系統深度集成,在警報觸發后快速啟動全链路應急響應。

  • 支持多網路融合,并兼容公安集群系統和运營商 4G/5G 網路,保障管理中心、維護人員以及消防、市政等應急部門之間的跨部門通信。

  • 實現維護人員和關鍵設備的精準定位,便于在應急情況下快速定位被困人員和故障点,提高救援效率。

  • 設備必须适應綜合管廊封閉、潮湿、多塵、振動等恶劣環境,具備较高防护等級,并支持在市電中斷時長時間應急運行,保障极端場景下通信不中斷。

  • 管理中心應支持可視化調度,操作人員可查看管廊即時視訊,并與現場人員进行語音、視訊聯動調度,直观掌握現場情況。

3. 整體系統設計

(1)系統架構(四層架構)

针对綜合管廊環境特點,系統採用“控制中心 + 傳輸網路 + 現場終端 + 音視訊聯動”的四層架構,兼顧稳定性、可擴展性與場景适配能力,保障應急通信快速響應和全區域覆蓋。

四川綜合管廊應急通信系統架構图

層級
核心設備
功能說明
控制中心層
貝克 IP 廣播對講核心伺服器、觸控螢幕調度台、綜合視訊平台
系統控制中枢,負責指令生成、設備管理、多系統聯動和音視訊調度,實現統一應急指挥。
傳輸網路層
工业級光纖環网、5G 專网基站、Mesh 自组网网關
構建雙冗余链路,以光纖為主通道,5G 和 Mesh 作為備份,确保綜合管廊全線无信號盲區、通信不中斷。
現場終端層
應急求助電話、SIP 广播揚聲器、手持对讲終端、聲光警報設備、定位終端
部署在綜合管廊不同區域,用于執行調度指令,并提供一键紧急呼叫、雙向对讲等功能,實現現場與中心即時通信。
聯動控制層
消防警報介面、環境監測模塊、通风控制單元、管線監測終端
自動觸發應急事件并協調不同類型設備协同工作,減少人工干预,提高響應效率。

(2)核心技術方案

1. 多網路融合通信技術

系統以工业級光纖環网為骨干,構建自愈時間 ≤50 ms 的雙環冗余網路,保障終端傳輸稳定。每个管廊舱室部署 1 套專网基站,并透過分布式天線系統(DAS)實現全區域 5G 覆蓋。同時部署 Mesh 自组网网關,支持一键啟動自動组网。当主網路故障時,系統可自動切換,保障 72 小時不間斷應急通信,有效解决管廊内部信號螢幕蔽问题。

2. 應急聯動機制

当綜合管廊環境監測或消防警報設備觸發告警時,系統快速啟動應急響應:包含位置和事件類型的警報信息傳送至管理中心;對應區域聲光警報和應急广播自動啟動,播放疏散指引;通风和應急照明开启,舱室隔离門關閉;警報信息同步共享给消防、市政等部門,支撑跨部門协同處置。

3. 精準定位技術

系統採用混合定位方案,每个管廊舱室部署 1 个定位基站。維護人員佩戴定位終端,關鍵設備安裝定位模塊,實現较低定位誤差。定位数据即時回傳至調度台,清晰顯示人員位置、移動軌跡和設備分布,便于在應急情況下快速規劃疏散和救援路線。

4. 系統詳細配置

贝克為綜合管廊提供一体化通信解决方案,覆蓋中心機房核心調度設備和管廊内部防爆應急通信終端,實現对讲、广播、視訊聯動和全周期錄音的一体化控制。

(1)中心機房設備

設備名稱
型號
數量
核心功能
IP 廣播對講核心伺服器
BK-RCS-U4000
2 台(主備)
系統核心,支援 2000+ 終端註冊,具備主備冗餘,避免單點故障。
觸摸螢幕調度台
DSC-BD215S-IP
1 台
21.5 英寸觸控螢幕,整合視訊監控、語音調度等功能,實現一體化操作。
綜合視訊平台
BK-DVG108032P
1 台
支援接入 56 路高清攝影機,具備視訊預覽、回放和音視訊聯動功能。
錄音服務器
BK-SIP8T
1 台
支援 24 小時錄音、10 TB 儲存和 365 天查詢,便於應急追溯。

(2)管廊内部終端設備

設備類型
型號
安裝位置
主要特點
應急求助電話
EX-BT27, EX-BH621
沿巡檢通道每 200 米布设
IP66 防护、一键呼叫、自動地址上報,適合潮湿多塵環境。
广播揚聲器
SK Series
管廊頂部每 100 米布设
防水號角揚聲器,大功率,50 米覆蓋,广播清晰可听。
聲光警報設備
Becke AL-200
舱室入口和交叉口
120 dB 高分贝警報,红藍灯閃烁,可與广播聯動發布疏散警報。

5. 系統功能與應用成效

(1)核心功能實現

功能模塊
實現效果
用户回饋
一键紧急求助
紧急情況下按下求助按钮,3 秒内接通管理中心并自動上報位置,實現快速響應。
維護人員:“求助方便,能快速接通中心,处理突發情況更安心。”
全區域广播
支持全區广播或分區广播。應急指令和通知可清晰覆蓋整个綜合管廊,保障信息有效傳達。
管廊运營運方:“指令下达效率很高,應急響應效率明顯提升。”
多網路协同
打破通信壁垒,使不同部門使用的不同設備互聯互通,保障协同處置順暢。
應急救援部門:“跨部門通信順暢,便于快速協調并展开救援。”
精準定位
提供人員和設備即時定位,紧急情況下可快速識別被困人員和故障点,縮短救援時間。
管廊运營運方:“定位準確,救援效率明顯提高。”
可視化調度
調度台可顯示即時視訊,並與現場進行視訊對講,使操作人員直觀看到現場情況並精準下達指令。
調度員:「現場情況一目了然,調度更準確、更高效。」
應急聯動
警報觸發后,不同類型設備自動聯動,實現自動化應急處置,減少人工干预。
管廊运營運方:“聯動響應快,有效避免事故擴大。”

(2)實際應用成效

系統部署后,彻底解决了綜合管廊通信盲區、指令傳達延迟等痛点,實現全區域通信覆蓋和多系統协同聯動。日常巡檢中,維護人員可與管理中心即時通信,及時上報管線狀況;應急場景下,系統響應速度快,可快速協調相關部門,降低事故損失。
運行期間,系統成功處置了多起轻微突發事件,包括轻微管線泄漏和維護人員被困等,均快速处理且未擴大,充分驗证了方案的稳定性和实用性。該系統為綜合管廊安全運行提供了可靠的應急通信保障,并非常適合四川地區綜合管廊項目复杂的地质和運行環境。
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