• 100Mbps以太网
  • 10W~30W单声道放大器输出
  • 相机NVR录制
  • 标准RJ45接口
  • 一键通话
BECKE BK-DAB-PA2S是一款SIP对讲广播网关。它使用标准的IP/RTP/RTSP协议进行媒体流传输。整合多种功能接口——广播、音频采集、录音、对讲、视频、安防——通过连接外部周边设备实现音视频对讲、公共广播、安防触发等实用功能。它适应多种操作环境,支持快速设备部署。体积小巧,适合DIY集成到各种定制化解决方案中。

行业背景与需求

石油化工行业的生产环境高度危险且复杂,涉及易燃、易爆、有毒物质以及高噪音的操作条件。在这种情况下,可靠的通信系统对于确保人员安全和生产效率至关重要。
一方面,企业必须遵守严格的安全规范和法规要求。例如,OSHA危险通信标准要求对所有危险化学品进行标签标识和提供安全数据表(SDS),并对员工进行培训。另一方面,传统的通信方式在高风险区域(炼油厂、化工厂、油气田等)往往受限,需要专用的防爆通信设备。

石油化工行业对通信系统的核心需求

  • 防爆安全性:设备必须持有防爆认证(ATEX/IECEx等),避免在爆炸性气体或粉尘环境中产生火花或过热从而引发事故。

  • 高可靠性:在恶劣条件(高低温、湿度、腐蚀性气体、粉尘)下稳定运行,具备冗余和故障恢复机制,防止通信中断和安全风险。

  • 高抗噪性:工业现场存在高分贝机械噪音;通信设备必须包含降噪和扩音功能,确保清晰的语音可懂度。

  • 实时响应:支持一键呼叫、分区广播等功能,确保紧急情况下快速传达指令和人员及时通信。

  • 系统集成:与其他厂区系统(火灾报警、工业闭路电视、调度电话等)互操作,实现统一指挥调度。

  • 法规合规:符合国家及行业标准(ATEX 2014/34/EU、IEC 60079系列、GB 3836等)和安全规范,确保完全合法合规。

总之,石油化工行业需要一个安全、可靠且高效的电话扩音对讲系统,以满足日常生产调度和应急指挥的双重需求。

系统架构设计

为满足上述需求,电话扩音对讲系统通常采用分布式架构,由中央控制主机、现场终端和传输网络三个核心部分组成。

控制主机(调度主机)

作为系统核心,控制主机通常安装在中央控制室,管理和调度整个系统。它通常包括一个IP语音服务器或调度交换机,支持与公共交换电话网络(PSTN)或VoIP网络互联,实现内部对讲与外部电话集成。
控制主机监控所有现场终端的状态,并为操作员提供调度控制台软件,以执行群呼、广播、录音等操作。

现场终端设备

防爆电话/对讲终端部署在工艺区、罐区、码头、道路等现场区域:
  • 防爆对讲电话:固定式现场站,多为免提式,带扬声器和麦克风,支持一键呼叫控制室或其他分机。外壳为隔爆型(铸铝或不锈钢),达到IP65/IP66防护等级,防尘防水,并通过ATEX/IECEx认证,可用于危险区域1/2区。部分型号集成警笛或报警接口,用于紧急情况下的声光警报。

  • 防爆扩音器:安装在工艺区或露天区域,用于公共广播和警报。高功率、指向性设计确保在嘈杂环境中声音清晰。也符合防爆和防护等级标准,可与对讲电话联动实现分区广播。

  • 无线对讲接入:系统通过集群网关连接数字无线电(TETRA、DMR集群)。现场人员使用防爆对讲机可与固定对讲站通信,实现有线无线融合。集群网关连接到控制主机,调度员可以呼叫任何无线用户/群组,反之亦然。

传输网络

通信链路结合有线和无线传输:
  • 有线网络:对讲终端和控制主机通过工业以太网或专用对讲总线连接。IP对讲系统通过以太网传输语音包,利用现有工厂工业网络实现长距离灵活组网。远程工艺区使用光纤链路以确保带宽和抗干扰性能。传统系统可能使用2线音频总线,但与IP解决方案相比扩展性和抗噪性较低。

  • 无线接入:在大型工厂或移动操作中,使用补充无线通信,如无线Mesh网络或用于防爆手机和无线对讲的4G/5G工业专网。Mesh支持自组织和冗余覆盖,适用于广阔区域;5G专网提供高速、低延迟和大规模连接,支持高清视频通话。卫星通信链路将远程井站或海上平台连接到控制室,实现远距离可靠通信。

整个架构模块化且可扩展。控制主机支持级联以接入更多终端;现场网络可使用环形拓扑提高可靠性(单点故障不影响整个网络)。
系统还支持与第三方系统集成:
  • 与火灾报警系统联动,在检测到火灾时自动触发广播通知;

  • 与视频监控集成,在报警发生时自动弹出摄像头画面。

这种集成架构极大地提高了应急响应效率和整体工厂管理水平。

小巧精致,与工业设备完美搭配。

BK-DAB-PA2S具有紧凑、精致、沉稳和克制的工业美学设计理念,提供简单灵活的安装,可嵌入到其他工业设备中,适用于各种定制解决方案中的DIY集成。

小巧精致,与工业设备完美搭配。

标准网络通信,实现互连和互操作性

BECKE BK-DAB-PA2S基于标准SIP通信协议。它可以部署在局域网(LAN)和广域网(WAN)中,实现从局域网部署到广域网应用的顺利迁移,并确保设备投资价值的保值。

标准网络通信,实现互连和互操作性

HD声音-让声音传播更远

它支持宽带音频解码,包括G.722和Opus,为用户提供卓越、清晰的载波级音频体验。声音传播得更远、更清晰,确保即使在大型公共区域也能清晰理解广播。

实时和预定广播的灵活回放

支持多种音频输入输出接口选择,允许连接麦克风、手机、FM收音机、无源/有源扬声器等外部设备实现实时广播,或MP3定时广播,适用于包括学校、医院、工业园区、机场等公共场所在内的各种广播场景。

实时和预定广播的灵活回放

支持安全触发功能

支持输入输出触发功能,BECKE BK-DAB-PA2S可与触发开关或其他干式触点信号输入的外设连接,实现信号输入和传输,再通过输出接口传输信号触发报警灯、闸门等装置,实现自动报警、闸门控制等操作。

支持安全触发功能

支持HD视频互连

BECKE BK-DAB-PA2S可以通过URL绑定到IP摄像机,实现与视频电话的音频和视频通话。它允许查看来自摄像机的高清视频流并实时监控周围环境,确保公共区域人员的安全。

支持云部署和维护

可通过BECKE管理平台进行远程云部署和维护,简单可靠,降低管理成本,提高管理效率。

支持云部署和维护

产品亮点

紧急呼叫按钮接口摄像机NVR录制,标准RJ45接口支持输入和输出触发功能音频录制输出,3.5毫米标准音频接口,即插即用音频输出接口,可扩展外部有源扬声器输出功率根据输入电压适配自动感应10/100 Mbps以太网端口,用于高速传输;支持PoE

应用场景

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