<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">摘要:针对充电站的充电桩分散、且单个充电桩的数据量小的特点,同时为了实现充电站的高速无线覆盖,既能满足充电桩的数据传输需要,又能提供高速宽带接入。光载无线通信技术</span><span lang="EN-US">ROF</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">为充电站的</span><span lang="EN-US">M2M</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">通讯及数据采集,提供了简单且灵活的方式,容许各充电站与控制中心连线。不论是部署在餐厅的单一充电站,或是在停车场或购物中心的众多充电站,所有的充电站与控制中心之间,都将有大量的重要资料和指令须要传送。只要透过光载无线通信系统,控制中心就能远端管理充电站所有的工作,包括使用者验证</span><span lang="EN-US">……</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">智能电网</span><span lang="EN-US">-</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">充电站概述</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">电动车是目前流行最广、节能环保的绿色出行交通工具。但目前电动车配套的充电器,一次充电经常需要</span><span lang="EN-US">7-8</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">小时,一旦行驶途中没有电能,将使行车人陷入尴尬的境地。随着电动汽车的发展,在国家电网的推动下很多地方现在已经建起了电动汽车充电站</span><span lang="EN-US">,</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">电动汽车产业化已经逐步展开,全国推广在即。</span><span lang="EN-US"> </span></p>
<p> </p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">电动车快速充电站可以像汽车加油站一样,在沿街商店、街道社区、报刊亭旁、存车棚、彩票投注点等处设置。充电桩是电动力车充电站,外形犹如停车计时秒表一般。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">为了支援无人管理且散布范围广大的电动汽车充电基础架构,物联网技术将成为不可或缺的促成科技。光载无线通信技术</span><span lang="EN-US">ROF</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">为充电站的</span><span lang="EN-US">M2M</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">通讯及数据采集,提供了简单且灵活的方式,容许各充电站与控制中心连线。不论是部署在餐厅的单一充电站,或是在停车场或购物中心的众多充电站,所有的充电站与控制中心之间,都将有大量的重要资料和指令须要传送。只要透过光载无线通信系统,控制中心就能远端管理充电站所有的工作,包括使用者验证、开始及停止指令、传输使用者资料、信用卡付款程序等等。光载无线通信技术还能协助控制中心远端管理充电站故障而发生的设备停机,并立即侦测人为破坏而导致的异常。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'"></span> </p>
<p class="MsoNormal"><span lang="EN-US"> </span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">随着物联网技术的不断发展,未来的充电站控制中心能透过定位服务,协助驾驶人找出距离最近、正在营运的充电站。充电完成后,再由控制中心系统通知使用者,传送简讯到驾驶人的行动电话,告知客户充电完成、车辆可以上路。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'"></span> </p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">基于光载无线通信技术的智能充电站无线数据传输解决方案</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'"></span> </p>
<p class="MsoNormal"><span lang="EN-US"> </span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">光载无线交换机将以上信息后通过电力光纤网络传送到电力管理计费中心,实现实时的信息传递。同样,从电网管理计费中心到最末端的充电桩也实现了实时的信息传递。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'"></span> </p>
<p class="MsoNormal"><span lang="EN-US"> </span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">充电站基本结构包含侧快速充电机、储能蓄电池、再生蓄电池检修机、计费控制系统、线缆配电系、机房等组成。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'"></span> </p>
<p><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New="New" Roman'; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> </span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New="New" Roman'">针对充电站的充电桩分散、且单个充电桩的数据量小的特点,同时为了实现充电站的高速无线覆盖,既能满足充电桩的数据传输需要,又能提供高速宽带接入,系统采用两级无线数据传输方案。</span></p>
<p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New="New" Roman'"> </p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">(</span><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">)局部区域的充电桩通过</span><span lang="EN-US">400MHz</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">频率的低速无线数据传输方式,将充电桩的数据汇聚到中间节点(简称汇聚节点,汇聚节点为其中的一个充电桩</span><span lang="EN-US"> </span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">),汇聚节点内置</span><span lang="EN-US">WiFi</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">中间件,完成汇聚数据到</span><span lang="EN-US">WiFi</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">无线网络数据的转换。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">(</span><span lang="EN-US">2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">)采用光载无线技术,通过光纤,将</span><span lang="EN-US">WiFi</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">无线射频信号远距离分布到远端节点,汇聚节点通过远端节点接入</span><span lang="EN-US">WiFi</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">无线网络,汇聚节点通过</span><span lang="EN-US">WiFi</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">无线网络将充电桩的数据上传到控制中心,实现充电桩数据的远程无线采集。</span></p><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'"></span><span lang="EN-US">
<p class="MsoNormal"><br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">同时远端节点还可以提供充电站的高速无线网络信号的无线覆盖,提供其他设备的无线接入,满足充电站的多种应用需求,也方便充电站的扩展和升级。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'"></span> </p>
<p><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New="New" Roman'; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> </span><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New="New" Roman'">基于光载无线技术的充电站具体实施方案</span></p>
<p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New="New" Roman'"> </p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">为保证充电站的无线网络和数据传输的可靠稳定,具体实施时采用硬件备份。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">(</span><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">)光载无线交换机中,</span><span lang="EN-US">WiFi</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">接入点(</span><span lang="EN-US">AP</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">)采用双备份,以保证无线接入点的可靠。</span><span lang="EN-US"><br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">(</span><span lang="EN-US">2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">)远端节点采用双备份,保证远端无线信号的不间断覆盖</span><span lang="EN-US"><br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">(</span><span lang="EN-US">3</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">)汇聚节点采用双备份,避免因为充当汇聚节点的充电桩故障而中断局部充电桩的数据上传和下载。</span><span lang="EN-US"><br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">(</span><span lang="EN-US">4</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New" Roman'; mso-hansi-font-family: 'Times New="New" Roman'">)系统软件时刻检测整个充电站无线信号分布情况和充电桩的工作状态,并实时做出反应,保证系统可靠运行。</span></p>
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