{"code":"LC-2610-0398","title":"台灯频闪检测方法新旧版本对照表","category":"tech","categoryName":"技术前沿","summary":"把 2017 版与 2026 版的频闪测试差异做成对照表：测试波形、采样率、判定口径三处变化，附新旧限值换算说明。","cover":"","status":"published","tags":["频闪","检测方法","对照表"],"verifier":"陈明远","verifiedAt":"2026-10-17T06:20:00.000Z","publishedAt":"2026-10-17T07:00:00.000Z","views":895,"body":"## 对照表\n\n1. 测试波形：旧版仅测正弦波，新版增加**相位调光波形**，覆盖调光至 10% 的工况。\n2. 采样率：由不低于 2 kHz 提高到 **不低于 10 kHz**，低采样率会漏掉高频分量。\n3. 判定口径：旧版按波动深度百分比，新版按频闪深度并给出计算方法，两者不可直接换算。\n\n## 对检测机构的影响\n\n采样率提高意味着示波器与光电探头都要升级。省内三家机构中，两家已完成设备更换，一家仍在采购，12 月前的档期因此更紧。\n\n## 对企业的影响\n\n自测数据如果按旧方法采集，**不能**用来预判新标结果。低采样率通常测出偏低的频闪深度，容易出现「自测合格、送检不合格」。","bodyHtml":"<h2>对照表</h2>\n<ol class=\"pts\"><li>测试波形：旧版仅测正弦波，新版增加<b>相位调光波形</b>，覆盖调光至 10% 的工况。</li><li>采样率：由不低于 2 kHz 提高到 <b>不低于 10 kHz</b>，低采样率会漏掉高频分量。</li><li>判定口径：旧版按波动深度百分比，新版按频闪深度并给出计算方法，两者不可直接换算。</li></ol>\n<h2>对检测机构的影响</h2>\n<p>采样率提高意味着示波器与光电探头都要升级。省内三家机构中，两家已完成设备更换，一家仍在采购，12 月前的档期因此更紧。</p>\n<h2>对企业的影响</h2>\n<p>自测数据如果按旧方法采集，<b>不能</b>用来预判新标结果。低采样率通常测出偏低的频闪深度，容易出现「自测合格、送检不合格」。</p>","source":{"name":"GB/T 9473 新旧版本条文比对","url":"","note":"标准原文比对"},"files":["2017 版（PDF）","2026 版（PDF）"],"crossChecks":["检测机构技术负责人复核"],"conclusion":"三处差异与两版条文一致，可引用","timeline":[{"at":"2026-10-17T02:00:00.000Z","text":"逐条比对两版**频闪条款**。"},{"at":"2026-10-17T06:20:00.000Z","text":"请检测机构技术负责人复核，**入库**。"}],"author":"陈明远","createdAt":"2026-10-17T02:00:00.000Z","updatedAt":"2026-10-17T07:00:00.000Z","related":[{"code":"LC-2610-0413","title":"中科三安公布 218 lm/W 全光谱芯片实验室数据","category":"tech","categoryName":"技术前沿","summary":"实验室条件下 218 lm/W，色温 4000K、Ra95。仅为单颗芯片打样数据，无量产时间表与第三方复测报告，暂不作为采购依据。","cover":"","status":"review","tags":["中科三安","LED 芯片","光效"],"verifier":"陈明远","verifiedAt":"2026-10-21T02:33:00.000Z","publishedAt":"2026-10-21T03:00:00.000Z","views":398},{"code":"LC-2610-0416","title":"GB/T 9473-2026 读写作业台灯性能要求 12 月起实施","category":"policy","categoryName":"政策标准","summary":"新标准把频闪深度限值由无要求收紧至 8%，并首次设眩光指数上限。已上市型号给出 9 个月清库期，12 月 1 日起出厂产品须按新标送检并加贴标识。","cover":"","status":"published","tags":["国标","读写台灯","频闪","眩光"],"verifier":"李慧珊","verifiedAt":"2026-10-22T09:40:00.000Z","publishedAt":"2026-10-22T10:05:00.000Z","views":1297},{"code":"LC-2610-0415","title":"雷士照明上半年智慧路灯订单同比增 34%，华东占四成","category":"finance","categoryName":"企业财报","summary":"半年报显示智慧路灯板块收入 9.7 亿元，市政项目回款周期由 180 天拉长至 210 天，商用照明毛利率微降至 27.6%。","cover":"","status":"published","tags":["雷士照明","智慧路灯","半年报"],"verifier":"李慧珊","verifiedAt":"2026-10-23T03:05:00.000Z","publishedAt":"2026-10-23T03:30:00.000Z","views":539},{"code":"LC-2610-0417","title":"欧普照明发布 2026 全光谱吸顶灯方案，Ra97 与 RG0 达标","category":"industry","categoryName":"行业动态","summary":"企业公告、CNAS 检测报告与三家经销商口径逐条比对一致，覆盖 6 个系列 21 款型号。色容差 SDCM<2，蓝光峰值波长 452nm；量产良率与成本未在材料中披露。","cover":"","status":"published","tags":["欧普照明","全光谱","吸顶灯"],"verifier":"李慧珊","verifiedAt":"2026-10-23T02:20:00.000Z","publishedAt":"2026-10-23T03:00:00.000Z","views":867}]}