{"id":37594,"date":"2025-11-23T21:38:42","date_gmt":"2025-11-23T13:38:42","guid":{"rendered":"https:\/\/tecolite.com\/?p=37594"},"modified":"2026-03-03T03:35:51","modified_gmt":"2026-03-02T19:35:51","slug":"%e5%a6%82%e4%bd%95%e4%b8%ba%e5%bb%ba%e7%ad%91%e7%85%a7%e6%98%8e%e9%80%89%e6%8b%a9%e6%ad%a3%e7%a1%ae%e7%9a%84led%e5%85%89%e6%9d%9f%e8%a7%92%e5%ba%a6-gu10-mr16-ar111-%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/tecolite.com\/zh\/how-to-choose-the-right-led-beam-angle-for-architectural-lighting-gu10-mr16-ar111-guide\/","title":{"rendered":"\u5982\u4f55\u4e3a\u5efa\u7b51\u7167\u660e\u9009\u62e9\u6b63\u786e\u7684 LED \u5149\u675f\u89d2\uff1aGU10\u3001MR16 \u4e0e AR111 \u6307\u5357"},"content":{"rendered":"<h2>\u5982\u4f55\u4e3a\u5efa\u7b51\u7167\u660e\u9009\u62e9\u6b63\u786e\u7684LED\u5149\u675f\u89d2\uff1aGU10\u3001MR16\u548cAR111\u6307\u5357<\/h2>\n<p>\u5899\u9762\u4e0d\u5747\u5300\u3002\u5730\u9762\u51fa\u73b0\u5149\u6591\u3002\u4eba\u773c\u611f\u5230\u7729\u5149\u3002.<br \/>\n\u5efa\u7b51\u9879\u76ee\u4e2d\u5927\u591a\u6570\u201c\u7cdf\u7cd5\u7167\u660e\u201d\u95ee\u9898\u90fd\u53ef\u5f52\u7ed3\u4e3a\u4e00\u70b9\uff1a\u9519\u8bef\u7684\u5149\u675f\u89d2\u3002.<\/p>\n<p>\u5bf9\u4e8e\u50cfGU10\u3001MR16\u548cAR111\u8fd9\u6837\u7684\u5efa\u7b51\u805a\u5149\u706f\uff0c\u5149\u675f\u89d2\u51b3\u5b9a\u4e86\u5149\u7ebf\u7684\u53bb\u5411\u3001\u5728\u8868\u9762\u4e0a\u7684\u5f3a\u5ea6\u8868\u73b0\u4ee5\u53ca\u5b9e\u9645\u9700\u8981\u7684\u706f\u5177\u6570\u91cf\u3002\u9009\u62e9\u6b63\u786e\uff0c\u60a8\u5c31\u80fd\u4ee5\u66f4\u5c11\u7684\u74e6\u6570\u548c\u66f4\u5c11\u7684\u706f\u5177\u83b7\u5f97\u6e05\u6670\u3001\u6709\u8bbe\u8ba1\u611f\u7684\u5149\u6548\uff1b\u9009\u62e9\u9519\u8bef\uff0c\u60a8\u5c06\u9762\u4e34\u8fd4\u5de5\u3001\u6295\u8bc9\u548c\u80fd\u6e90\u6d6a\u8d39\u7684\u4ee3\u4ef7\u3002.<\/p>\n<p>\u672c\u6307\u5357\u5c06\u4ecb\u7ecd\u5efa\u7b51\u5de5\u4f5c\u4e2d\u5149\u675f\u89d2\u7684\u5b9e\u9645\u5e94\u7528\u2014\u2014\u5b83\u4eec\u662f\u4ec0\u4e48\uff0c\u5728\u4e0d\u540c\u5b89\u88c5\u9ad8\u5ea6\u4e0b\u7684\u8868\u73b0\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u6b63\u786e\u9009\u62e9\uff0c\u4e0d\u6d89\u53ca\u4efb\u4f55\u7279\u5b9a\u54c1\u724c\u3002.<\/p>\n<hr \/>\n<h2>1. \u5149\u675f\u89d2\u57fa\u7840\u2014\u2014\u60a8\u5b9e\u9645\u5728\u6307\u5b9a\u4ec0\u4e48<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2025\/11\/Beam-Angle-Basics-for-LED-Spotlights.webp\" alt=\"infographic showing narrow medium and wide LED beam angles with degree ranges for lighting design\" \/><\/p>\n<h3>1.1 \u4ec0\u4e48\u662f\u5149\u675f\u89d2\uff1f<\/h3>\n<p>\u5728\u5efa\u7b51\u7167\u660e\u4e2d\uff0c, <strong>\u5149\u675f\u89d2<\/strong> \u5b9a\u4e49\u4e3a\u5149\u5f3a\u964d\u81f3\u4e00\u534a\u65f6\u4e24\u4e2a\u65b9\u5411\u4e4b\u95f4\u7684\u5939\u89d2 <strong>\u6700\u5927\u503c\u768450%<\/strong> \u5728\u5149\u675f\u4e2d\u5fc3\u3002\u8fd9\u662fIES\u548cCIE\u5149\u5ea6\u5b66\u4e2d\u7528\u4e8e\u5149\u675f\u5206\u5e03\u7684\u5b9a\u4e49\u3002.<br \/>\n\uff08\u53c2\u89c1IES TM-15\u548cCIE\u5173\u4e8e\u5149\u675f\u5206\u5e03\u5b9a\u4e49\u7684\u6587\u4ef6\uff1a<br \/>\n\u2014\u2014\u7167\u660e\u5de5\u7a0b\u534f\u4f1a\uff1a <a href=\"https:\/\/ies.org\">https:\/\/ies.org<\/a><br \/>\n\u2013 \u56fd\u9645\u7167\u660e\u59d4\u5458\u4f1a\uff08CIE\uff09\uff1a <a href=\"https:\/\/cie.co.at\">https:\/\/cie.co.at<\/a>)<\/p>\n<p>\u7b80\u5355\u6765\u8bf4\uff1a\u5149\u675f\u89d2\u5b9a\u4e49\u4e86\u5149\u9525\u7684\u7d27\u805a\u6216\u5bbd\u5e7f\u7a0b\u5ea6\u3002.<\/p>\n<ul>\n<li><strong>\u7a84\u5149\u675f\uff08\u224810\u201320\u00b0\uff09\uff1a<\/strong> \u72ed\u5c0f\u533a\u57df\uff0c\u9ad8\u5bc6\u5ea6\u96c6\u4e2d\u3002.<\/li>\n<li><strong>\u4e2d\u7b49\u5149\u675f\uff08\u224824\u201340\u00b0\uff09\uff1a<\/strong> \u5178\u578b\u7684\u91cd\u70b9\u6216\u4efb\u52a1\u5149\u675f\u3002.<\/li>\n<li><strong>\u5bbd\u5149\u675f\uff08\u224860\u2013120\u00b0\uff09\uff1a<\/strong> \u6cdb\u5149\u6216\u901a\u7528\u73af\u5883\u5149\u3002.<\/li>\n<\/ul>\n<p>\u8bb8\u591a\u5236\u9020\u5546\u8fd8\u53d1\u5e03 <strong>\u573a\u89d2<\/strong>, \uff0c\u901a\u5e38\u4ee5\u5cf0\u503c\u5f3a\u5ea6\u768410%\u5904\u6d4b\u91cf\u3002\u573a\u89d2\u59cb\u7ec8\u6bd4\u5149\u675f\u89d2\u66f4\u5bbd\uff0c\u66f4\u80fd\u4f53\u73b0\u5149\u7684\u201c\u67d4\u548c\u8fb9\u7f18\u201d\u3002.<\/p>\n<h3>1.2 \u5149\u675f\u89d2\u4e0e\u8868\u9762\u7167\u5ea6<\/h3>\n<p>\u5bf9\u4e8e\u7ed9\u5b9a\u7684\u6d41\u660e\u5c01\u88c5\uff0c, <strong>\u7a84\u5149\u675f\u63d0\u4f9b\u66f4\u9ad8\u7684\u7167\u5ea6<\/strong> \u5728\u76ee\u6807\u8868\u9762\u4e0a\uff1b\u5bbd\u5149\u675f\u5c06\u76f8\u540c\u6d41\u660e\u5206\u5e03\u5728\u66f4\u5927\u533a\u57df\u3002.<\/p>\n<p>\u5728\u56fa\u5b9a\u5b89\u88c5\u9ad8\u5ea6\u4e0b\uff0c\u60a8\u53ef\u4ee5\u4f30\u7b97\u5149\u675f\u5728\u5730\u9762\u6216\u5899\u9762\u4e0a\u7684\u76f4\u5f84\uff1a<\/p>\n<p>\u5149\u675f\u76f4\u5f84 \u2248 2 \u00d7\uff08\u5b89\u88c5\u9ad8\u5ea6\uff09\u00d7 tan\uff08\u5149\u675f\u89d2 \u00f7 2\uff09<\/p>\n<p>\u60a8\u65e0\u9700\u5728\u73b0\u573a\u8fdb\u884c\u4e09\u89d2\u8ba1\u7b97\u2014\u2014\u5927\u591a\u6570\u7167\u660e\u8ba1\u7b97\u8f6f\u4ef6\uff08Dialux\u3001Relux\u3001AGi32\uff09\u4f7f\u7528\u5b8c\u6574\u7684IES\u6216EULUMDAT\u6587\u4ef6\u81ea\u52a8\u5305\u542b\u6b64\u529f\u80fd\u3002\u4f46\u7406\u89e3\u8fd9\u79cd\u5173\u7cfb\u6709\u52a9\u4e8e\u60a8\u76f4\u89c2\u68c0\u9a8c\u7ed3\u679c\u3002.<\/p>\n<h3>1.3 \u5178\u578b\u5149\u675f\u89d2\u8303\u56f4<\/h3>\n<p>\u4e0d\u540c\u7684\u706f\u5177\u548c\u6a21\u5757\u81ea\u7136\u503e\u5411\u4e8e\u5904\u4e8e\u67d0\u4e9b\u8303\u56f4\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5206\u7c7b<\/th>\n<th>\u5178\u578b\u5149\u675f\u89d2<\/th>\n<th>\u5178\u578b\u5e94\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6781\u7a84\u805a\u5149<\/td>\n<td>8\u201315\u00b0<\/td>\n<td>\u9ad8\u5929\u82b1\u677f\u88c5\u9970\u3001\u7acb\u67f1\u3001\u96d5\u5851<\/td>\n<\/tr>\n<tr>\n<td>\u7a84\u805a\u5149<\/td>\n<td>15\u201324\u00b0<\/td>\n<td>\u7269\u54c1\u91cd\u70b9\uff0c\u96f6\u552e\u4eae\u70b9<\/td>\n<\/tr>\n<tr>\n<td>\u805a\u5149<\/td>\n<td>24\u201336\u00b0<\/td>\n<td>\u901a\u7528\u91cd\u70b9\u7167\u660e\uff0c\u7279\u8272\u5899\u9762<\/td>\n<\/tr>\n<tr>\n<td>\u6cdb\u5149<\/td>\n<td>36\u201360\u00b0<\/td>\n<td>\u5c0f\u623f\u95f4\u3001\u6d41\u901a\u7a7a\u95f4<\/td>\n<\/tr>\n<tr>\n<td>\u5bbd\u6cdb\u6cdb\u5149<\/td>\n<td>60\u201390\u00b0<\/td>\n<td>\u4f4e\u5929\u82b1\u677f\u73af\u5883\u5149<\/td>\n<\/tr>\n<tr>\n<td>\u6781\u5bbd\/\u6f2b\u5c04<\/td>\n<td>90\u2013120\u00b0<\/td>\n<td>\u95f4\u63a5\u6216\u6f2b\u5c04\u4e00\u822c\u7167\u660e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u4e9b\u8303\u56f4\u4e0e\u8bb8\u591a\u5546\u4e1a\u5149\u5ea6\u5b66\u5e93\u4ee5\u53caIES\u7167\u660e\u624b\u518c\u5bf9\u5149\u675f\u7c7b\u578b\u7684\u5206\u7c7b\u65b9\u5f0f\u4fdd\u6301\u4e00\u81f4\u3002.<\/p>\n<hr \/>\n<h2>2. \u5149\u675f\u89d2\u5728\u5efa\u7b51\u7167\u660e\u4e2d\u7684\u91cd\u8981\u6027<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2025\/11\/Why-Beam-Angle-Matters-in-Architectural-Lighting.webp\" alt=\"architectural lighting comparison showing narrow medium and wide beam angles on interior wall\" \/><\/p>\n<h3>2.1 \u7f8e\u5b66\u4e0e\u6784\u56fe<\/h3>\n<p>\u5efa\u7b51\u7167\u660e\u66f4\u6ce8\u91cd\u7684\u662f <strong>\u4eae\u5ea6\u5206\u5e03\u7684\u4f4d\u7f6e<\/strong>:<\/p>\n<ul>\n<li><strong>\u7a84\u5149\u675f<\/strong> \u521b\u5efa <strong>\u5bf9\u6bd4\u5ea6<\/strong> \u4e0e\u805a\u7126\uff1a\u58c1\u9f9b\u5899\u9762\u3001\u827a\u672f\u54c1\u3001\u77f3\u6750\u7eb9\u7406\u3001\u7279\u8272\u58c1\u9f9b\u3002.<\/li>\n<li><strong>\u4e2d\u7b49\u5149\u675f<\/strong> \u5212\u5206\u533a\u57df\uff1a\u9910\u684c\u3001\u5ea7\u4f4d\u533a\u3001\u5c55\u793a\u533a\u3002.<\/li>\n<li><strong>\u5bbd\u5149\u675f<\/strong> \u6784\u5efa\u4eae\u5ea6\u57fa\u7840\u5c42\u548c\u89c6\u89c9\u5b89\u5168\u5c42\u3002.<\/li>\n<\/ul>\n<p>\u4eba\u7c7b\u89c6\u89c9\u7cfb\u7edf\u5bf9\u89c6\u91ce\u4e2d\u7684\u5bf9\u6bd4\u5ea6\u548c\u4eae\u6591\u9ad8\u5ea6\u654f\u611f\u3002\u5373\u4f7f\u5e73\u5747\u7167\u5ea6\u6c34\u5e73\u6b63\u786e\uff0c\u4e0d\u5f53\u7684\u5149\u675f\u9009\u62e9\u4e5f\u662f\u6700\u5feb\u5bfc\u81f4\u7729\u5149\u548c\u89c6\u89c9\u4e0d\u9002\u7684\u9014\u5f84\u4e4b\u4e00\u3002.<\/p>\n<p>\u8bf8\u5982 <strong>EN 12464-1<\/strong> \u5bf9\u4e8e\u5ba4\u5185\u5de5\u4f5c\u573a\u6240\uff0c\u65e2\u5f3a\u8c03\u7167\u5ea6\u6c34\u5e73\uff08\u52d2\u514b\u65af\uff09\uff0c\u4e5f\u6ce8\u91cd <strong>\u5747\u5300\u5ea6<\/strong> \u5bf9\u4e8e\u89c6\u89c9\u8212\u9002\u5ea6\u4e0e\u5b89\u5168\u6027\uff1a<br \/>\n<a href=\"https:\/\/standards.iteh.ai\/catalog\/standards\/cen\/7e8f4fab-2f27-4ac5-bdb9-53e97961e84a\/en-12464-1-2021\">https:\/\/standards.iteh.ai\/catalog\/standards\/cen\/7e8f4fab-2f27-4ac5-bdb9-53e97961e84a\/en-12464-1-2021<\/a><\/p>\n<h3>2.2 \u80fd\u6e90\u4e0e\u706f\u5177\u6570\u91cf<\/h3>\n<p>\u5149\u675f\u89d2\u5ea6\u76f4\u63a5\u5f71\u54cd\uff1a<\/p>\n<ul>\n<li><strong>\u60a8\u9700\u8981\u591a\u5c11\u5957\u706f\u5177<\/strong> \u4ee5\u8fbe\u5230\u6240\u9700\u7684\u52d2\u514b\u65af\u503c\u3002.<\/li>\n<li><strong>\u6bcf\u74e6\u7535\u80fd\u7684\u5229\u7528\u6548\u7387<\/strong> \u96c6\u4e2d\u5728\u5b9e\u9645\u76ee\u6807\u4e0a\uff08\u5730\u677f\u3001\u4ea7\u54c1\u3001\u827a\u672f\u54c1\u3001\u7acb\u9762\uff09\uff0c\u800c\u975e\u6563\u5c04\u5230\u5929\u82b1\u677f\u548c\u7a7a\u767d\u5899\u58c1\u4e0a\u3002.<\/li>\n<\/ul>\n<p>\u9009\u62e9\u4e0e\u4efb\u52a1\u76f8\u5339\u914d\u7684\u89d2\u5ea6\u901a\u5e38\u80fd\u8ba9\u60a8\uff1a<\/p>\n<ul>\n<li>\u51cf\u5c11\u8fc7\u5ea6\u7167\u660e\u4e0e <strong>\u964d\u4f4e\u8fde\u63a5\u8d1f\u8f7d<\/strong>.<\/li>\n<li>\u907f\u514d\u540e\u671f\u6dfb\u52a0\u989d\u5916\u706f\u5177\u6765\u201c\u586b\u8865\u6697\u533a\u201d\u3002\u201d<\/li>\n<\/ul>\n<h3>2.3 \u7729\u5149\u4e0e\u89c6\u89c9\u8212\u9002\u5ea6<\/h3>\n<p>\u7729\u5149\u53d7\u4ee5\u4e0b\u56e0\u7d20\u5f71\u54cd\uff1a <strong>\u89c6\u91ce\u4e2d\u7684\u4eae\u5ea6<\/strong>, \u3001\u5b89\u88c5\u9ad8\u5ea6\u548c\u65b9\u5411\u3002\u968f\u610f\u6307\u5411\u4eba\u773c\u9ad8\u5ea6\u7684\u7a84\u5149\u675f\u5f88\u5bb9\u6613\u8d85\u8fc7\u8212\u9002\u5ea6\u9608\u503c\u3002.<\/p>\n<p>\u4f8b\u5982 <strong>\u7edf\u4e00\u7729\u5149\u503c\uff08UGR\uff09<\/strong>, \u7531\u56fd\u9645\u7167\u660e\u59d4\u5458\u4f1a\uff08CIE\uff09\u5b9a\u4e49\uff0c\u7528\u4e8e\u8bc4\u4f30\u5ba4\u5185\u73af\u5883\u4e2d\u7684\u4e0d\u9002\u7729\u5149\uff1a<br \/>\n<a href=\"https:\/\/cie.co.at\/publications\/discomfort-glare-interior-lighting\">https:\/\/cie.co.at\/publications\/discomfort-glare-interior-lighting<\/a><\/p>\n<p>\u5149\u675f\u89d2\u672a\u76f4\u63a5\u51fa\u73b0\u5728UGR\u516c\u5f0f\u4e2d\uff0c\u4f46\u4f1a\u5f71\u54cd <strong>\u8868\u89c2\u4eae\u5ea6<\/strong> \u548c <strong>\u660e\u4eae\u533a\u57df\u7684\u5c3a\u5bf8<\/strong>, \uff0c\u8fd9\u4e9b\u56e0\u7d20\u5bf9\u7ed3\u679c\u6709\u663e\u8457\u5f71\u54cd\u3002\u4e3a\u964d\u4f4e\u7729\u5149\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u5728\u4f4e\u5b89\u88c5\u9ad8\u5ea6\u4f7f\u7528\u7a84\u5149\u675f\u5e76\u6a2a\u8de8\u5ea7\u4f4d\u533a\u7167\u5c04\u3002.<\/li>\n<li>\u5f53\u706f\u5177\u5904\u4e8e\u76f4\u63a5\u89c6\u7ebf\u5185\u65f6\uff0c\u4f7f\u7528\u66f4\u5bbd\u7684\u5149\u675f\u6216\u5e26\u906e\u5149\u7f69\u7684\u5149\u5b66\u7cfb\u7edf\u3002.<\/li>\n<\/ul>\n<hr \/>\n<h2>3. \u5efa\u7b51\u5e94\u7528\u4e2dGU10\u3001MR16\u4e0eAR111\u7684\u5bf9\u6bd4<\/h2>\n<p>\u5efa\u7b51\u5c04\u706f\u7167\u660e\u4e2d\u6700\u5e38\u89c1\u7684\u4e09\u79cd\u89c4\u683c\u7cfb\u5217\u2014\u2014 <strong>GU10\u3001MR16\u548cAR111<\/strong> \u2014\u2014\u5404\u81ea\u5728\u5149\u675f\u89d2\u5ea6\u3001\u5b89\u88c5\u65b9\u5f0f\u548c\u5e94\u7528\u573a\u666f\u4e0a\u5904\u4e8e\u4e0d\u540c\u7684\u7406\u60f3\u4f4d\u7f6e\u3002.<\/p>\n<h3>3.1 GU10 \u2013 \u7d27\u51d1\u578b\u5e02\u7535\u7535\u538b\u5c04\u706f<\/h3>\n<ul>\n<li><strong>\u57fa\u7840\uff1a<\/strong> GU10\u65cb\u9501\u5f0f\u63a5\u53e3\u3002.<\/li>\n<li><strong>\u529f\u7387\uff1a<\/strong> \u901a\u5e38\u91c7\u75284\u20137\u74e6LED\u66ff\u4ee335\u201350\u74e6\u5364\u7d20\u706f\u3002.<\/li>\n<li><strong>\u5e38\u89c1\u5149\u675f\u89d2\u5ea6\uff1a<\/strong> \u7ea6 24\u00b0\u300136\u00b0\u300140\u00b0\uff0c\u6709\u65f6\u6709 10\u201315\u00b0 \u6216 60\u00b0 \u53d8\u4f53\u3002.<\/li>\n<\/ul>\n<p>\u5178\u578b\u7528\u9014\uff1a<\/p>\n<ul>\n<li>\u4e2d\u4f4e\u5929\u82b1\u677f\uff082.5\u20133.5 \u7c73\uff09\u91cd\u70b9\u7167\u660e\u3002.<\/li>\n<li>\u8f68\u9053\u706f\u3001\u53ef\u8c03\u5f0f\u7b52\u706f\u3001\u5c0f\u578b\u7279\u8272\u5929\u82b1\u677f\u3002.<\/li>\n<li>\u66ff\u6362\u539f\u6709\u4f7f\u7528GU10\u5364\u7d20\u706f\u7684\u6539\u9020\u9879\u76ee\u3002.<\/li>\n<\/ul>\n<h3>3.2 MR16\u2014\u2014\u4f4e\u538b\u591a\u7528\u9014<\/h3>\n<ul>\n<li><strong>\u5916\u5f62\u89c4\u683c\uff1a<\/strong> 50\u6beb\u7c73\u76f4\u5f84\u591a\u9762\u53cd\u5c04\u5668\uff08MR\uff09\u3002.<\/li>\n<li><strong>\u57fa\u7840\uff1a<\/strong> \u6700\u5e38\u89c1\u4e3aGU5.3\u63a5\u53e3\uff0812\u4f0f\uff09\u3002.<\/li>\n<li><strong>\u5149\u675f\u9009\u9879\uff1a<\/strong> \u5149\u675f\u89d2\u5ea6\u4ece\u6781\u7a84\uff0810\u201315\u00b0\uff09\u5230\u5bbd\u6cdb\u6cdb\u5149\uff0860\u00b0+\uff09\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5149\u5b66\u8bbe\u8ba1\u3002.<\/li>\n<\/ul>\n<p>\u5178\u578b\u7528\u9014\uff1a<\/p>\n<ul>\n<li>\u9152\u5e97\u53ca\u4f4f\u5b85\u5d4c\u5165\u5f0f\u7b52\u706f\u3002.<\/li>\n<li>\u504f\u597d\u4f4e\u538b\u7684\u91cd\u70b9\u7167\u660e\u573a\u666f\u3002.<\/li>\n<li>\u5229\u7528\u73b0\u6709MR16\u57fa\u7840\u8bbe\u65bd\u8fdb\u884c\u6539\u9020\u3002.<\/li>\n<\/ul>\n<h3>3.3 AR111 \u2013 \u5927\u53e3\u5f84\u5efa\u7b51\u805a\u5149\u706f<\/h3>\n<ul>\n<li><strong>\u76f4\u5f84\uff1a<\/strong> \u7ea6111\u6beb\u7c73\u3002.<\/li>\n<li><strong>\u5149\u675f\u9009\u9879\uff1a<\/strong> \u5e38\u89c1\u8303\u56f4\u6db5\u76d68\u201312\u00b0\u6781\u7a84\u5149\u675f\u300124\u201340\u00b0\u805a\u5149\u81f360\u00b0\u6cdb\u5149\u3002.<\/li>\n<li><strong>\u8f93\u51fa\uff1a<\/strong> \u901a\u5e38\u91c7\u7528\u66f4\u9ad8\u6d41\u660e\u914d\u7f6e\uff0c\u9002\u7528\u4e8e\u9ad8\u5c42\u7a7a\u95f4\u3002.<\/li>\n<\/ul>\n<p>\u5178\u578b\u7528\u9014\uff1a<\/p>\n<ul>\n<li>\u53cc\u5c42\u6311\u9ad8\u5927\u5802\u3002.<\/li>\n<li>\u96f6\u552e\u7279\u8272\u5899\u9762\u3001\u6a71\u7a97\u5c55\u793a\u3002.<\/li>\n<li>\u9002\u7528\u4e8e\u535a\u7269\u9986\u3001\u753b\u5eca\u53ca\u5efa\u7b51\u7acb\u9762\u8fdc\u8ddd\u79bb\u63a0\u5c04\u7167\u660e\u3002.<\/li>\n<\/ul>\n<h3>3.4 \u5feb\u901f\u5bf9\u6bd4\u8868<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u53c2\u6570<\/th>\n<th>GU10<\/th>\n<th>MR16<\/th>\n<th>AR111<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u76f4\u5f84<\/td>\n<td>\u7ea650\u6beb\u7c73<\/td>\n<td>\u7ea650\u6beb\u7c73<\/td>\n<td>\u7ea6 111 \u6beb\u7c73<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u7535\u538b<\/td>\n<td>220\u2013240\u4f0f\uff08\u6216120\u4f0f\uff09<\/td>\n<td>12\u4f0f\uff08\u9700\u642d\u914d\u9a71\u52a8\u5668\/\u53d8\u538b\u5668\uff09<\/td>\n<td>220\u2013240\u4f0f\uff08\u6216120\u4f0f\uff09\uff0c\u90e8\u5206\u4f4e\u538b\u578b\u53f7<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u5149\u675f\u8303\u56f4<\/td>\n<td>24\u201360\u00b0<\/td>\n<td>10\u201360\u00b0<\/td>\n<td>8\u201360\u00b0<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u4f73\u7528\u9014<\/td>\n<td>\u4e2d\u4f4e\u5929\u82b1\u677f\uff0c\u6539\u9020\u9879\u76ee<\/td>\n<td>\u5d4c\u5165\u5f0f\/\u53ef\u8c03\u5f0f\u5929\u82b1\u677f\u5e03\u5c40<\/td>\n<td>\u8fdc\u6295\u805a\u5149\uff0c\u9ad8\u5929\u82b1\u677f<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u88c5\u65b9\u5f0f<\/td>\n<td>\u8f68\u9053\u5f0f\u3001\u8868\u9762\u5f0f\u3001\u5d4c\u5165\u5f0f<\/td>\n<td>\u5d4c\u5165\u5f0f\u3001\u8f68\u9053\u5f0f<\/td>\n<td>\u4e91\u53f0\u3001\u8f68\u9053\u3001\u8868\u9762\u591a\u91cd\u5b89\u88c5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\uff08\u51e0\u4f55\u5f62\u72b6\u4e0e\u4f7f\u7528\u573a\u666f\u5927\u81f4\u7b26\u5408\u5e38\u89c1\u7684MR\u548cAR\u53cd\u5c04\u5668\u6807\u51c6\uff0c\u4f8b\u5982IEC\u706f\u5934\u4e0e\u706f\u5ea7\u6807\u51c6\uff1a <a href=\"https:\/\/webstore.iec.ch\">https:\/\/webstore.iec.ch<\/a>)<\/p>\n<hr \/>\n<h2>4. \u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u5149\u675f\u89d2\u5ea6\u2014\u2014\u5b9e\u7528\u65b9\u6cd5<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2025\/11\/How-to-Select-the-Right-Beam-Angle-\u2013-Step-by-Step-Guide.webp\" alt=\"Infographic showing four steps to select the correct LED beam angle with lamp illustration and light cone.\" \/><\/p>\n<p>\u4e0e\u5176\u731c\u6d4b\uff0c\u60a8\u53ef\u4ee5\u5c06\u5149\u675f\u89d2\u5ea6\u9009\u62e9\u89c6\u4e3a\u4e00\u4e2a\u7b80\u5355\u7684\u8fc7\u7a0b\uff1a<\/p>\n<ol>\n<li>\u5b9a\u4e49 <strong>\u4efb\u52a1\u4e0e\u89c6\u89c9\u91cd\u70b9\u7167\u660e<\/strong>.<\/li>\n<li>\u6ce8\u610f <strong>\u5b89\u88c5\u9ad8\u5ea6\u4e0e\u76ee\u6807\u8ddd\u79bb<\/strong>.<\/li>\n<li>\u51b3\u5b9a <strong>\u76ee\u6807\u5c3a\u5bf8<\/strong> \uff08\u684c\u9762\u3001\u753b\u4f5c\u3001\u67f1\u4f53\u622a\u9762\u3001\u5899\u677f\uff09\u3002.<\/li>\n<li>\u9009\u62e9\u5149\u675f\u89d2\u5ea6\u4ee5\u4f7f <strong>\u5149\u675f\u6070\u597d\u8986\u76d6\u76ee\u6807<\/strong> \u5e76\u5e26\u6709\u4e00\u5b9a\u91cd\u53e0\u3002.<\/li>\n<li>\u901a\u8fc7\u5feb\u901f\u8ba1\u7b97\u6216\u6a21\u62df\u9a8c\u8bc1\u3002.<\/li>\n<\/ol>\n<h3>4.1 \u6b65\u9aa4 1 \u2013 \u786e\u5b9a\u7167\u660e\u5bf9\u8c61<\/h3>\n<p>\u5e38\u89c1\u5efa\u7b51\u7167\u660e\u76ee\u6807\uff1a<\/p>\n<ul>\n<li><strong>\u4efb\u52a1\u8868\u9762\uff1a<\/strong> \u5de5\u4f5c\u53f0\u3001\u63a5\u5f85\u53f0\u3001\u4f1a\u8bae\u684c\u3002.<\/li>\n<li><strong>\u5782\u76f4\u9762\uff1a<\/strong> \u7279\u8272\u5899\u9762\u3001\u8d27\u67b6\u3001\u5546\u54c1\u3001\u827a\u672f\u54c1\u3002.<\/li>\n<li><strong>\u5efa\u7b51\u5143\u7d20\uff1a<\/strong> \u7acb\u67f1\u3001\u62f1\u95e8\u3001\u58c1\u9f9b\u3001\u7eb9\u7406\u3002.<\/li>\n<li><strong>\u73af\u5883\u5149\u5c42\uff1a<\/strong> \u6ee1\u8db3\u5b89\u5168\/\u6807\u51c6\u7167\u5ea6\u6c34\u5e73\u6240\u9700\u7684\u4e00\u822c\u4eae\u5ea6\u3002.<\/li>\n<\/ul>\n<p>\u5149\u675f\u89d2\u5e94\u9075\u5faa <strong>\u76ee\u6807\u7684\u5c3a\u5bf8\u4e0e\u6027\u8d28<\/strong>, \uff0c\u800c\u975e\u706f\u5177\u4ea7\u54c1\u76ee\u5f55\u7684\u987a\u5e8f\u3002.<\/p>\n<h3>4.2 \u6b65\u9aa4\u4e8c \u2013 \u8003\u8651\u5b89\u88c5\u9ad8\u5ea6<\/h3>\n<p>\u66f4\u9ad8\u7684\u5b89\u88c5\u9ad8\u5ea6\u9700\u8981 <strong>\u66f4\u5bbd\u7684\u914d\u5149\u89d2\u5ea6<\/strong> \u4ee5\u4fdd\u6301\u8986\u76d6\u8303\u56f4\uff0c\u6216 <strong>\u66f4\u9ad8\u8f93\u51fa\/\u66f4\u7a84\u5149\u675f<\/strong> \u5982\u679c\u60a8\u9700\u8981\u4ece\u8fdc\u5904\u83b7\u5f97\u5f3a\u70c8\u7684\u91cd\u70b9\u7167\u660e\u6548\u679c\u3002.<\/p>\n<p>\u5178\u578b\u5efa\u7b51\u7528\u9014\u4e2d\u5149\u675f\u89d2\u4e0e\u9ad8\u5ea6\u7684\u8fd1\u4f3c\u201c\u7ecf\u9a8c\u6cd5\u5219\u201d\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5b89\u88c5\u9ad8\u5ea6<\/th>\n<th>\u5c0f\u7279\u5f81\u91cd\u70b9\u7167\u660e\uff080.5\u20131\u7c73\u5bbd\uff09<\/th>\n<th>\u4e2d\u7b49\u7279\u5f81\u91cd\u70b9\u7167\u660e\uff081\u20132\u7c73\u5bbd\uff09<\/th>\n<th>\u4e00\u822c\u533a\u57df\u7167\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2.5\u20133 \u7c73<\/td>\n<td>15\u201324\u00b0<\/td>\n<td>24\u201336\u00b0<\/td>\n<td>36\u201360\u00b0<\/td>\n<\/tr>\n<tr>\n<td>3\u20134 \u7c73<\/td>\n<td>10\u201320\u00b0<\/td>\n<td>20\u201330\u00b0<\/td>\n<td>40\u201360\u00b0<\/td>\n<\/tr>\n<tr>\n<td>4\u20136 \u7c73<\/td>\n<td>8\u201315\u00b0<\/td>\n<td>15\u201324\u00b0<\/td>\n<td>30\u201340\u00b0\uff08\u52a0\u4e0a\u5411\u4e0a\u7167\u660e\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4ee5\u6b64\u4e3a\u8d77\u70b9\uff0c\u518d\u901a\u8fc7\u8f6f\u4ef6\u8fdb\u884c\u4f18\u5316\u3002.<\/p>\n<h3>4.3 \u6b65\u9aa4\u4e09 \u2013 \u5e73\u8861\u5bf9\u6bd4\u5ea6\u4e0e\u5747\u5300\u6027<\/h3>\n<p>EN 12464-1 \u6807\u51c6\u548c IES \u5efa\u8bae\u5747\u5f3a\u8c03 <strong>\u5e73\u5747\u7167\u5ea6<\/strong> \u548c <strong>\u5747\u5300\u5ea6<\/strong> \u5728\u4efb\u52a1\u533a\u57df\u4e0a\u3002\u5bf9\u4e8e\u8bb8\u591a\u5ba4\u5185\u5e94\u7528\uff1a<\/p>\n<ul>\n<li>\u529e\u516c\u5ba4\uff1a\u5de5\u4f5c\u9762300\u2013500\u52d2\u514b\u65af\uff0c\u5747\u5300\u5ea6\u22650.6\u3002.<\/li>\n<li>\u96f6\u552e\u7a7a\u95f4\uff1a300\u20131000 \u52d2\u514b\u65af\uff0c\u5546\u54c1\u533a\u57df\u9700\u66f4\u9ad8\u5bf9\u6bd4\u5ea6\u3002.<\/li>\n<li>\u535a\u7269\u9986\/\u753b\u5eca\uff1a\u9f13\u52b1\u5f3a\u5bf9\u6bd4\u5ea6\uff0c\u4f46\u9700\u8c28\u614e\u63a7\u5236\u7729\u5149\u3002.<\/li>\n<\/ul>\n<p>\u53c2\u8003\u6587\u732e\uff1a<br \/>\n\u2013 EN 12464-1\uff08\u5ba4\u5185\u5de5\u4f5c\u573a\u6240\u7167\u660e\uff09\uff1a\u53c2\u89c1\u6b27\u6d32\u6807\u51c6\u5217\u8868\u3002.<br \/>\n\u2013 IES\u7167\u660e\u624b\u518c\uff1a <a href=\"https:\/\/ies.org\">https:\/\/ies.org<\/a><\/p>\n<p>\u5b9e\u8df5\u4e2d\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 <strong>\u66f4\u7a84\u5149\u675f<\/strong> \u7528\u4e8e\u91cd\u70b9\u7167\u660e\u5c42\uff08\u4e0e\u73af\u5883\u5149\u5bf9\u6bd4\u5ea6\u4e3a 1:3\u20131:10\uff09\u3002.<\/li>\n<li>\u4f7f\u7528 <strong>\u66f4\u5bbd\u5149\u675f\u6216\u95f4\u63a5\u7167\u660e<\/strong> \u7528\u4e8e\u73af\u5883\u7167\u660e\uff0c\u4ee5\u907f\u514d\u89c6\u7ebf\u5728\u6781\u4eae\u4e0e\u6781\u6697\u533a\u57df\u95f4\u9891\u7e41\u8df3\u8dc3\u3002.<\/li>\n<\/ul>\n<hr \/>\n<h2>5. \u6309\u5e94\u7528\u573a\u666f\u7684\u5178\u578b\u914d\u5149\u89d2\u5ea6\u9009\u62e9<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2025\/11\/Typical-Beam-Angle-Choices-by-Application.webp\" alt=\"Infographic showing typical LED beam angle choices for lobby, office, retail, museum, and facade lighting, with icons under yellow cones and angle ranges.\" \/><\/p>\n<p>\u4ee5\u4e0b\u662f\u5efa\u7b51\u8bbe\u8ba1\u4e2d\u5e38\u7528\u7684\u5b9e\u9645\u6848\u4f8b\u53c2\u8003\u3002\u6570\u503c\u4ec5\u4f9b\u53c2\u8003\u2014\u2014\u52a1\u5fc5\u901a\u8fc7\u5149\u5ea6\u6570\u636e\u548c\u5f53\u5730\u89c4\u8303\u8fdb\u884c\u786e\u8ba4\u3002.<\/p>\n<h3>5.1 \u5927\u5802\u4e0e\u63a5\u5f85\u5904<\/h3>\n<p>Goals: welcoming atmosphere, clear wayfinding, emphasis on reception desk and features.<\/p>\n<p>Typical choices:<\/p>\n<ul>\n<li>\n<p><strong>Ceiling height 3\u20134 m<\/strong><\/p>\n<ul>\n<li>General ambient: 40\u201360\u00b0 MR16 or GU10 downlights.<\/li>\n<li>Desk highlight: 20\u201330\u00b0 spots aimed at counter.<\/li>\n<li>Feature wall \/ logo: 15\u201324\u00b0 spots.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Element<\/th>\n<th>Suggested Source<\/th>\n<th>\u5149\u675f\u89d2\u5ea6<\/th>\n<th>\u5907\u6ce8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Reception desk<\/td>\n<td>GU10 \/ MR16<\/td>\n<td>20\u201330\u00b0<\/td>\n<td>Aim from 25\u201335\u00b0 off vertical<\/td>\n<\/tr>\n<tr>\n<td>Feature wall<\/td>\n<td>AR111 or MR16<\/td>\n<td>15\u201324\u00b0<\/td>\n<td>Overlap beams slightly<\/td>\n<\/tr>\n<tr>\n<td>Ambient ceiling<\/td>\n<td>GU10 \/ MR16<\/td>\n<td>40\u201360\u00b0<\/td>\n<td>Keep UGR within comfort range<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>5.2 Offices and meeting rooms<\/h3>\n<p>Goals: compliance with lux levels, low glare, flexibility.<\/p>\n<ul>\n<li>Workplane targets (per EN 12464-1): 300\u2013500 lux with good uniformity.<\/li>\n<li>Beam angle is usually <strong>medium to wide<\/strong>; accent layers are optional.<\/li>\n<\/ul>\n<p>Typical:<\/p>\n<ul>\n<li>60\u201390\u00b0 beams in recessed or track luminaires for general lighting.<\/li>\n<li>Narrow accents (24\u201336\u00b0) only on specific surfaces (whiteboards, artwork).<\/li>\n<\/ul>\n<h3>5.3 Retail and hospitality<\/h3>\n<p>Goals: strong contrast on products, comfortable ambient for customers.<\/p>\n<ul>\n<li>Merchandise: 15\u201330\u00b0 beams (GU10, MR16, AR111) depending on mounting height.<\/li>\n<li>Ambient: 40\u201360\u00b0 beams, often with softer diffuse optics.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Area<\/th>\n<th>\u5b89\u88c5\u9ad8\u5ea6<\/th>\n<th>Recommended Beam<\/th>\n<th>\u7c7b\u578b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Wall bays<\/td>\n<td>3 m<\/td>\n<td>15\u201324\u00b0<\/td>\n<td>GU10 \/ AR111<\/td>\n<\/tr>\n<tr>\n<td>Central displays<\/td>\n<td>3\u20134 \u7c73<\/td>\n<td>20\u201330\u00b0<\/td>\n<td>MR16 \/ AR111<\/td>\n<\/tr>\n<tr>\n<td>General ambient<\/td>\n<td>2.8\u20133.2 m<\/td>\n<td>40\u201360\u00b0<\/td>\n<td>MR16 \/ panel<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Lighting research (e.g., IES retail lighting guidance and CIE technical reports on museum\/retail lighting) shows that vertical illuminance and contrast significantly influence perceived brightness and merchandise appeal:<br \/>\n\u2013 IES RP-2 (Lighting for retail spaces): <a href=\"https:\/\/ies.org\">https:\/\/ies.org<\/a><br \/>\n\u2013 CIE publications on lighting for museums and galleries: <a href=\"https:\/\/cie.co.at\">https:\/\/cie.co.at<\/a><\/p>\n<h3>5.4 Museums and galleries<\/h3>\n<p>Goals: precise highlighting, controlled contrast, protection of sensitive materials.<\/p>\n<ul>\n<li>Narrow beams (8\u201315\u00b0) for small objects.<\/li>\n<li>15\u201324\u00b0 for paintings and large framed works.<\/li>\n<li>Strict glare control to avoid reflected highlights on glass.<\/li>\n<\/ul>\n<p>Beam angle works together with <strong>illuminance limits<\/strong> \u548c <strong>spectral control<\/strong> informed by conservation guidelines (e.g., CIE 157 and museum lighting recommendations).<\/p>\n<h3>5.5 Facades and exterior accents<\/h3>\n<p>Goals: sculpt the building at night, avoid light trespass and sky glow.<\/p>\n<ul>\n<li>AR111 or dedicated outdoor spot modules used with 8\u201340\u00b0 beams for columns, pilasters and verticals.<\/li>\n<li>30\u201360\u00b0 beams for general wall washing \u2013 sometimes asymmetric beams or grazing optics.<\/li>\n<\/ul>\n<p>For exterior lighting, reference standards like <strong>CIE 150 (Guide on the Limitation of the Effects of Obtrusive Light)<\/strong>:<br \/>\n<a href=\"https:\/\/cie.co.at\/publications\/guide-limitation-effects-obtrusive-light-outdoor-lighting-installations-2nd-edition\">https:\/\/cie.co.at\/publications\/guide-limitation-effects-obtrusive-light-outdoor-lighting-installations-2nd-edition<\/a><\/p>\n<hr \/>\n<h2>6. Common Mistakes in Beam Angle Selection (and How to Avoid Them)<\/h2>\n<h3>Mistake 1 \u2013 Designing by lumen, not by task<\/h3>\n<p>Selecting fixtures only by lumen output, without considering beam angle, often leads to:<\/p>\n<ul>\n<li>Overlit hot spots directly under fixtures.<\/li>\n<li>Dark patches between fittings.<\/li>\n<\/ul>\n<p>Fix: always start from the <strong>target area<\/strong> \u548c <strong>required illuminance<\/strong>, then choose beam angle and lumen package together.<\/p>\n<h3>Mistake 2 \u2013 Ignoring height and offset<\/h3>\n<p>Using the same beam angle for 2.5 m and 5 m ceiling heights gives completely different results:<\/p>\n<ul>\n<li>At double the height, the same beam covers roughly <strong>twice the diameter<\/strong> and delivers about <strong>\u00bc of the lux<\/strong> (inverse-square behaviour of illuminance).<\/li>\n<\/ul>\n<p>Fix: adjust beam angle or output according to mounting height, and verify with quick calculations or software.<\/p>\n<h3>Mistake 3 \u2013 Overusing very narrow beams<\/h3>\n<p>Very narrow beams look powerful in a dark sample room but can be:<\/p>\n<ul>\n<li>Unforgiving to aiming errors.<\/li>\n<li>Highly glaring if within normal viewing angles.<\/li>\n<\/ul>\n<p>Fix: reserve <strong>8\u201315\u00b0 beams<\/strong> for high ceilings or very discrete accents where you can carefully aim and shield; otherwise start around <strong>20\u201330\u00b0<\/strong> for accent work.<\/p>\n<h3>Mistake 4 \u2013 Mixing incompatible distributions<\/h3>\n<p>Even with the same nominal beam angle, different optics can have very different:<\/p>\n<ul>\n<li><strong>Peak-to-field ratios<\/strong> (strong centre vs soft centre).<\/li>\n<li>Spill light and glare behaviour.<\/li>\n<\/ul>\n<p>Fix: for critical spaces, use the <strong>same optical family<\/strong> or photometry from a single range so distributions blend well. Always read the <strong>intensity distribution curves<\/strong> in the IES\/EULUMDAT files.<\/p>\n<h3>Mistake 5 \u2013 No attention to vertical illuminance<\/h3>\n<p>Designs that only hit the horizontal lux targets (on floors or desks) can feel \u201cflat\u201d.<\/p>\n<p>Visual brightness in architecture is driven heavily by <strong>vertical surfaces<\/strong> \u2013 walls, faces, merchandise. Many standards and guides (IES, CIE) now emphasise vertical illuminance for perception and safety (e.g., for faces in offices and schools).<\/p>\n<p>Fix: allocate beam angles and aiming so that walls and vertical elements receive adequate light. This often means using <strong>medium beams<\/strong> aimed at walls in addition to general downlighting.<\/p>\n<hr \/>\n<h2>7. A Simple Workflow for Specifying Beam Angles<\/h2>\n<p>For architectural projects using GU10, MR16 or AR111, you can adopt a consistent workflow:<\/p>\n<ol>\n<li>\n<p><strong>List spaces and tasks<\/strong><\/p>\n<ul>\n<li>For each room\/zone, note use, ceiling height, key surfaces (tables, walls, displays).<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Set lighting targets<\/strong><\/p>\n<ul>\n<li>Use EN 12464-1, IES recommendations or local standards to define target lux and uniformity for each area.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Choose lamp family and mounting<\/strong><\/p>\n<ul>\n<li>GU10 for compact retrofits and low ceilings.<\/li>\n<li>MR16 for flexible recessed schemes.<\/li>\n<li>AR111 for high ceilings or long throws.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Select provisional beam angles<\/strong><\/p>\n<ul>\n<li>Use the height\/beam tables in this guide as starting points.<\/li>\n<li>Decide which surfaces are accent vs ambient.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Run quick calculations<\/strong><\/p>\n<ul>\n<li>Load IES\/EULUMDAT files into Dialux, Relux, AGi32 or similar.<\/li>\n<li>Adjust beam angles and aiming until vertical and horizontal lux targets and contrast ratios are acceptable.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Check glare and comfort<\/strong><\/p>\n<ul>\n<li>For office- and workplace-type areas, verify UGR and uniformity against EN 12464-1 and CIE guidelines.<\/li>\n<li>Adjust mounting and optics if UGR is too high.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Mock up critical areas<\/strong><\/p>\n<ul>\n<li>For high-value spaces (entrance, feature walls, flagship retail), build a small on-site or showroom mockup with candidate beam angles to validate the design visually.<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Document choices clearly<\/strong><\/p>\n<ul>\n<li>\n<p>On drawings and schedules, include:<\/p>\n<ul>\n<li>Lamp type (GU10 \/ MR16 \/ AR111)<\/li>\n<li>Beam angle (e.g., 24\u00b0, 36\u00b0)<\/li>\n<li>Mounting height and aiming notes<\/li>\n<\/ul>\n<\/li>\n<li>This avoids substitutions that accidentally change beam behaviour.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr \/>\n<h2>\u7ed3\u8bba<\/h2>\n<p>Beam angle is one of the most powerful \u2013 and most misunderstood \u2013 tools in architectural lighting.<\/p>\n<p>When you treat GU10, MR16 and AR111 not just as \u201clamp types\u201d but as <strong>beam delivery tools<\/strong>, you can:<\/p>\n<ul>\n<li>Shape spaces with intentional contrast.<\/li>\n<li>Hit lux and uniformity targets with fewer watts and fewer fittings.<\/li>\n<li>Reduce glare and visual fatigue for occupants.<\/li>\n<li>Avoid expensive re-aiming and retrofits after handover.<\/li>\n<\/ul>\n<p>Start from the task, respect the physics of height and distribution, and use standards and photometric data as your reference. With that approach, beam angle selection becomes a clear, repeatable part of your design process instead of guesswork \u2013 and your projects will look and perform better for it.<\/p>","protected":false},"excerpt":{"rendered":"<p>How to Choose the Right LED Beam Angle for Architectural Lighting: GU10, MR16 &amp; AR111 Guide Uneven walls. Hot spots on the floor. Glare in people\u2019s eyes. Most \u201cbad lighting\u201d problems in architectural projects come down to one thing: the wrong beam angle. For architectural spotlights like GU10, MR16 and AR111, beam angle decides where [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":38369,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Choosing LED Beam Angles for GU10, MR16 and AR111 Spots","_seopress_titles_desc":"Learn how to choose the right LED beam angle for architectural lighting. 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