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secure），通常描述受控入口一侧在失电后的锁定状态，不能据此认定人员从门内也无法开门。判断内侧能否通行，要看门扇上的锁具或推杆能否独立机械释放，以及整套门的实际配置。\u003C\u002Fp>\n\u003Ch2>一、先分清“锁定哪一侧”\u003C\u002Fh2>\n\u003Cp>Allegion 的门用五金基础资料将两种功能区分为：fail safe，移除供电后解锁；fail secure，移除供电后处于锁定状态。这里通常针对门的受控入口侧，而不是宣告门的两侧都处于相同状态。“断电开”也只表示电控锁定解除，并不表示门扇会自行打开。[1]\u003C\u002Fp>\n\u003Cp>因此，采购文件只写“断电开”或“断电锁”还不够，还应写清所指部件、受控方向及内侧开门方式。电锁扣、电控锁体和磁力锁不能仅凭这两个标签互相替代。\u003C\u002Fp>\n\u003Ch2>二、内侧开门可以另有机械路径\u003C\u002Fh2>\n\u003Cp>以安装在门框上的电锁扣为例，其活动挡片约束门扇锁舌。从受控侧获得开门许可时，挡片释放，锁舌即使未缩回，也可随门扇越过挡片。断电上锁型在失电时，挡片仍约束锁舌。[2]\u003C\u002Fp>\n\u003Cp>另一条开门路径在门扇上：如果配套锁具的内侧执手或逃生推杆具有独立机械退舌功能，使用者操作它，就能将锁舌从锁扣内缩回。这条路径不要求电锁扣先释放。Von Duprin 的原厂说明明确区分了活动挡片放行与操作推杆退舌两种动作。[2] 前提是锁具功能正确、安装匹配，且不存在另一个仍在锁门的装置。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002Fagent-articles\u002F569\u002F20261024\u002F179283101772096665\u002Farticle-569-36cf409612c59872.webp\" alt=\"活动挡片放行与锁舌向门扇内机械缩回的不同开门路径\" loading=\"lazy\" \u002F>\u003C\u002Fp>\u003Cp>图1：电锁扣挡片释放与门扇锁舌机械缩回是两条不同路径。概念示意，非安装图。\u003C\u002Fp>\n\u003Ch2>三、型号允许转换，也不等于可以随意改\u003C\u002Fh2>\n\u003Cp>ASSA ABLOY 的 ES2600 系列表面安装电锁扣用于配套带 Pullman 型锁舌的推杆锁，产品资料注明可现场转换 fail safe 与 fail secure。[3] 这说明断电模式属于具体产品功能，不能仅看“电锁扣”这个名称判断。\u003C\u002Fp>\n\u003Cp>但并非所有型号都能转换。Allegion 知识库明确说明，Von Duprin 6300 表面安装电锁扣只提供 fail secure。[4] 即使型号支持转换，也须按厂家说明及工程设计核对，不能把改接线路当作通用转换办法。\u003C\u002Fp>\n\u003Ch2>四、磁力锁为什么不能照搬这一结论？\u003C\u002Fh2>\n\u003Cp>常规电磁吸力锁依靠通电后的磁力吸附门扇上的衔铁板，移除锁体供电后解除磁力锁定。[1] 它没有上述“内侧操作机械锁舌，直接退出电锁扣”的同一工作路径。若门上另有磁力锁，只退回机械锁舌并不代表整扇门已经释放。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fimg.shenzhenjianzhong.com\u002Fpublished\u002Fmedia\u002Fagent-articles\u002F569\u002F20261024\u002F179283102732574674\u002Farticle-569-ffebbd52812dc2f1.webp\" alt=\"电锁型号、内侧机械释放及备用供电状态的核对示意\" loading=\"lazy\" \u002F>\u003C\u002Fp>\u003Cp>图2：核对具体型号、内侧释放及供电状态。示意不代表接线方式或项目合规结论。\u003C\u002Fp>\n\u003Ch2>五、核对整套门，而非只看一个标签\u003C\u002Fh2>\n\u003Cp>技术确认至少应落实三项：一是锁具完整型号、实际断电模式及厂家允许的配套五金；二是内侧操作是否直接机械退舌，是否还受其他锁定部件限制；三是电源、控制器、备用供电与规定释放方式的整体配合。不能把“市电停了”直接等同于“锁体已经失电”。核对结果应按门号留存，避免把相邻门或同系列其他型号的功能套用到本门。\u003C\u002Fp>\n\u003Cp>涉及疏散或防火用途时，还须核对项目所在地适用要求、门组件认可范围和联动设计。本文仅解释部件机理，不据境外产品说明判定具体工程合规；现场测试应由负责人员在不影响人员通行的条件下安排。\u003C\u002Fp>\n\u003Ch2>资料来源\u003C\u002Fh2>\n\u003Cp>以下为原厂公开资料，核验日期：2026年10月24日。境外资料中的法规适用内容未作为国内工程选型结论。\u003C\u002Fp>\n\u003Cp>[1] Allegion，Door Hardware 101: A Basic Jargon Primer。https:\u002F\u002Fus.allegion.com\u002Fen\u002Fresources\u002Feducation\u002Fleading-the-industry\u002F101-articles\u002Fdoor-hardware-101.html\u003C\u002Fp>\n\u003Cp>[2] Von Duprin，Electric Strikes，尤其 How does an electric strike work?。https:\u002F\u002Fwww.vonduprin.com\u002Fen\u002Fresources\u002Ftraining-education\u002Fvon-duprin-101\u002Felectric-strikes.html\u003C\u002Fp>\n\u003Cp>[3] ASSA ABLOY，ES2600 Series Monitored Electric Strike。https:\u002F\u002Fwww.assaabloy.com\u002Fin\u002Fen\u002Fsolutions\u002Fproducts\u002Fdigital-solutions\u002Fwired-solutions\u002Felectric-strike\u002Ftrimec\u002Fes2600-series-monitored-electric-strike\u003C\u002Fp>\n\u003Cp>[4] Allegion Knowledge Center，Can the 6300 electric strike be Fail Safe?。https:\u002F\u002Fkc.allegion.com\u002Fkb\u002Farticle\u002Fcan-the-6300-electric-strike-be-fail-safe\u002F\u003C\u002Fp>\n",[],"建中说门道","Allegion、Von Duprin、ASSA ABLOY原厂资料；核验日期2026-10-24","门用电锁断电上锁，门内还能打开吗？电锁扣机理说明","门用电锁,电锁扣,断电上锁,断电开锁,fail secure,fail safe,机械退舌,逃生推杆","解读门用电锁 fail secure 与 fail safe 的适用对象，说明电锁扣与内侧机械退舌的不同路径，结合 ES2600、Von Duprin 6300 原厂资料提示型号及整套门核对事项。",{"id":36,"name":46,"slug":348},{"title":361,"slug":362},"北医三院公布机场院区电动卷帘门维保成交结果","puh3-airport-rolling-door-maintenance-award",{"title":364,"slug":365},"武汉纺织大学拟增补5台门禁，磁力锁与系统对接一并纳入采购","wtu-laboratory-access-control-procurement",[367],{"id":207,"title":37,"subtitle":368,"image":369,"mobileImage":16,"link":16},"行业动态 · 技术问答 · 产品FAQ","https:\u002F\u002Fwww.shenzhenjianzhong.com\u002Fsecurity-assets\u002F5085ba7fa31941f0ae59e7a8db089907e86b3d1e921787ea3e7e8ff1a14d84e7.jpg"]