Observations on the Upgrade of Energy Efficiency Standards for Lighted Characters

Observations on the Upgrade of Energy Efficiency Standards for Lighted Characters

The electricity cost of illuminated signage has become a question customers are asking more frequently over the past two years. This marks the first time in the industry that attention has shifted from whether signs are bright enough to how much power they consume. Based on recent trends in energy efficiency standards under consultation, evaluation criteria for illuminated signage are evolving from purely visual appearance to a dual focus on luminous efficacy and power consumption—a significant shift for the entire sign industry.

发光字的电费,是客户最近两年问得越来越勤的问题,也是行业里第一次把注意力从亮不亮挪到了费不费电上。从近期陆续征求意见的能效标准走向看,发光字的考核正在从外观效果转向光效与功耗双指标,这对整个标识行业是一次实打实的升级。

图中是四种背发光字,表面分别做了不锈钢拉丝、钛金镜面、黄钛金拉丝和玫瑰金处理,金属面板挡住正面光,光晕靠背后反射到墙面上形成。这类字对光源的利用率一向不低,同样的灯珠功率,轮廓光比通体字更显精神,也更容易在新标准下交出好看的能耗数据。

我以前以为能效是大工程才讲究的事,现在两米宽的门头也要算电源转换账。同样一套字,用老式开关电源和用高效电源,一晚亮八小时,一年电费能差出小一半。标准升级的核心,是把电源损耗和灯珠光衰这些指标摆到明面上,让数据再也藏不住。

我们厂里已经开始批量选高效电源,灯珠换成光效更好的大芯片型号,钣金壳体不变,但字的内腔配光重新调过。成本涨得有限,电费省得看得见,一年下来差价就回来了。灯箱、导视牌同理,连文化墙的展示照明,往后都要按这个路子核算。

还有个动向值得说:能效数据开始进入投标环节。上个月我参与一个连锁品牌的店面标准化项目,清单里明确要求提供电源效率证明和灯具光衰检测报告。放在五年前,这种文件和我们标识厂没有半点关系,如今成了门槛,早做准备的人,接单时就多一分底气。

当然,能效也不是唯一的账。省了电但光晕不匀、颜色半年就偏的字,一样砸招牌。我们的原则是先保发光效果和钣金工艺的均匀度,再往回收功耗,省电是加分项而不是牺牲项,两头都算明白,才配叫升级。

另一个观察是,能效要求越高,越依赖正规安装和定期维护。电源配小了字会暗,配大了发热伤灯珠,很多小店招牌亮暗不均、字缺笔画,根源往往就是当初随便找人不规范接线。年检加能效,其实都在把散活队伍筛出去。

标准还在升级过程中,最终版本和执行时间尚未公布。我的建议是,接下来做招牌的老板,把电源转换效率和灯珠光效这两个数据写进合同里,别只看亮灯效果图。这两个数据正规厂家都拿得出手,含糊其辞的,换一家就是。省电又耐用的发光字,才是往后立得住的门面。

(正文计792字)



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