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class="pro_slist hidden-lg"><ul> <li><a href="/News/NewClass-1-1.html">商友新闻</a></li> <li><a href="/News/NewClass-4-1.html">照明资讯</a></li> <li><a href="/CibsService/ServiceClass-16-1.html">灯具知识</a></li> <li><a href="/CibsService/ServiceClass-15-1.html">服务指南</a></li> <li><a href="/CibsService/ServiceClass-17-1.html">资料下蝲</a></li></ul> </div> <div class="Connent Newconent Newconent2"> <h3>LED路灯灯杆高度和间距设计方?/h3> <div class="RTitle">来源:商友照明 发布日期:2021-12-21 13:57:00 </div> <p><span style="font-size:16px;font-family:arial, helvetica, sans-serif">LED路灯灯杆高度和间距设计方?nbsp;</span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">路面q_照度是城市机动R交通道路和道\照明的评h标之一Q也是\灯配|的一w要参考指标。一条城市道路要配置或更换ؓLED路灯Q技术上首先p涉及到照明的相关指标的计。用“利用系数”法计算则是比较单有效的Ҏ之一?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif"><img src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/b38b0428-9926-4999-b06b-3125ff0911f3.png" _src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/b38b0428-9926-4999-b06b-3125ff0911f3.png"/> </span></p><p><span style="font-size:16px;font-family:arial, helvetica, sans-serif">“利用系数”法计算的公式,l对照搬传统照明理论研究的结论。我们要做的只是要将LED路灯的一些实验或理论数据输入公式Q得到结果ƈ与道路照明设计标准的要求对照而已。不a而喻Q这些计也是LED路灯的设计、开发、改q、提高以及市销的必需?/span></p><p><span style="font-size:16px;font-family:arial, helvetica, sans-serif"><br/></span></p><p><strong><span style="font-size:16px;font-family:arial, helvetica, sans-serif">1概念</span></strong></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">利用pLQUQ是直接照在路面上的光通量与全部光源发出的光通量的比|与\灯灯L高度、Ԓ角、布|方式、\面宽度等有关?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">光通量(Φ)是光源发ƈ被h的眼睛接收的能量之d。表C单位时间辐光能量的多,单位为流明lm。其它表C方法:cd.sr(cd是发光强度的单位Q坎h。Sr是立体角球面度的单位?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">照度(E)是光通量与被照射面积之间的比例系敎ͼ单位为勒克司lx?lxx1lm的光通量q_分布在面U?qxc的能量Q即lmQm2?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">路面q_照度QEavQ是按照有关规定在\面上预先讑֮的点上测得的或计得到的各点照度的^均倹{?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">l护pLQkQ是照明装置使用一定时期之后,在规定表面上的^均照度或q_亮度与该装置在相同条件下新安装时在同一表面上所得到的^均照度或q_亮度之比?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">灯具的安装高度(HQ是灯具的光中心臌\面的垂直距离?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">灯具的安装间距(SQ是沉K路的中心U测得的盔R两个灯具之间的距R?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">悬挑长度QXLQ是灯具的光中心至邻q一侧缘石的水^距离Q即灯具伸出或羃q缘石的水^距离?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">路面有效宽度QWeffQ是用于道\照明设计的\面理论宽度,它与道\的实际宽度、灯L悬挑长度和灯L布置方式{有兟?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif"><br/></span></p><p><strong><span style="font-size:16px;font-family:arial, helvetica, sans-serif">2计算公式</span></strong></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">Ҏ照度的定义式QE=ΦQA</span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">(1)式中QA—被照射面积Qm2</span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">路面q_照度QEav=FQ?W*S)</span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">(2)式中QF—\灯光源的额定光通量QlmQ?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">W—\面宽度,m?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">S—安装间距,mQ?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">因ؓ路灯安装的高度、Ԓ角、布|方式、\面宽度等不同Q其光源额定的光通量的利用程度也不同Q所以\灯光源的额定光通量必须要考虑“利用系数”(UQ;q是其一Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">其二Q因l持路面的^均照度,要考虑灯具本n的光衰、灯L防护{和擦拭周期,所以\灯光源的额定光通量必须要考虑l护pL(k)Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">其三Q因\灯的排列方式如单排。双排对Uͼ双排交错{,其对q_照度也有影响Q也必须考虑排列pLQNQ?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">所以公式(2Q在考虑以上因素后,为:Eav=F*U*k*NQ?W*S)</span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">(3)q就是“利用系数”法计算q_照度的公式?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">实际工程计算中,一般\面的q_照度标准是有要求的,也就是说Eav是已知的。而较多是要计满需要\灯的额定光通量F。将公式Q?Q公式变形后为:</span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">F=Eav*W*SQ?U*k*N)</span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">(4)注意Q公式中W应是路面的有效宽度,路面有效宽度的计见??/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif"><br/></span></p><p><strong><span style="font-size:16px;font-family:arial, helvetica, sans-serif">3相关数据</span></strong></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">1、“利用系数”U</span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">LED路灯的“利用系数”见下表1Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif"><img src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/5b7d5211-ae1f-4ca0-ad42-fd60b02e9012.png" _src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/5b7d5211-ae1f-4ca0-ad42-fd60b02e9012.png"/> </span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">?QW-道\宽度QH-灯具安装高度Q称横向距离比?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">?Q当有悬挑长度时Q怠Z利用系数”ؓ“\边利用系数”加“屋边利用系数”。(见《照明工E学报?994q?月第5L3?1)?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">?Q数据来源:徐连城文《基于市场需求的LED路灯设计和营销{略思考》图?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">2、维护系数k</span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">CJJ45规定的维护系数k见表2Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif"><img src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/629dd39a-b2a3-451a-8c89-4451c7aa670d.png" _src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/629dd39a-b2a3-451a-8c89-4451c7aa670d.png"/> </span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">?Q维护系?光源的光衰系?灯具污染的光衰系数?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">?Q根据我国常用道路照明光源和灯具品质及环境状况,以每q对灯具擦拭一ơؓ前提的数据?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">3、\灯排列系?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">路灯排列一般有单侧、双侧交错、双侧对U和路中?U排列方式。对U排列时N=2Q其它排列时QN=1?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">4、\面宽度及有效宽度</span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">CJJ45规定的\面有效宽度的计算见表3Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif"><img src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/7bafe0a1-280d-4a27-a554-043dc212cc72.png" _src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/7bafe0a1-280d-4a27-a554-043dc212cc72.png"/> </span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">?QWs—\面实际宽度,mQXL—悬挑长度,m?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">5、\灯间?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">CJJ45规定的\灯间距S、安装高度H及\面有效宽度W的关p见?Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif"><img src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/d4c1dd92-28cd-402d-9b3c-d05c7c46ff21.png" _src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/d4c1dd92-28cd-402d-9b3c-d05c7c46ff21.png"/> </span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">注:Weff——\面有效宽度,mQ曲U\D:半径?000m以下Q间距S按直U的50%-70%?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">6、\面^均照度要?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">CJJ45规定的机动R交通道路照明标准|l持|见表5Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif"><img src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/a5d85e73-7ec3-4406-8661-8fc1b496d7fd.png" _src="http://www.badmintonbucks.com/admin_liangdian/ueditor//asp/upload/2021-12-21/a5d85e73-7ec3-4406-8661-8fc1b496d7fd.png"/> </span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">注:?”左侧ؓ低档|右侧为高档|详见CJJ45的规定?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">其它cd如交会区照明标准倹{h行道路照明标准值均见CJJ45?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif"><br/></span></p><p><strong><span style="font-size:16px;font-family:arial, helvetica, sans-serif">4计算实例</span></strong></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">已知LED路灯配置在主q道Q选低档值Eav=20lxQ\面实际宽度Ws?5mQLED路灯防护{为IP54Q\灯间距S?0mQ\灯安装高度约12mQ悬挑长度ؓ1.5mQ灯仰角15Q双侧对U排列?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">p2定k=0.65Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">p3计算Weff=Ws-2*XL=15-2*1.5=12mQ?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">p4核查H=12m?.5Weff=6mQS=30m?H=36mW合规定Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">由前q知Q道路灯双侧对称排列时N=2Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">查表1Q因W/H=12/12=1对应?5仰角怠Z利用系数”ؓ0.72Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">带入公式Q?Q?/span></p><p style="text-indent:32px;text-autospace:ideograph-numeric"><span style="font-size:16px;font-family:arial, helvetica, sans-serif">F=Eav*Weff*SQ?U*k*N)=Q?0*12*30Q?(0.72*0.65*2)=7692QlmQ?/span></p><script src="/inc/AspCms_VisitsAdd.aspx?id=2761"></script> <br> </div> </div> </div><div style="clear:both"></div></div> <script type="text/javascript" src="/inc/AspCms_Statistics.aspx"></script><div class="ld_footer hidden-md visible-lg-block hidden-xs hidden-sm"> <hr/> <div class="big"> <div class="ft_left fl"> <a 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