{"id":2594,"date":"2023-10-06T11:04:15","date_gmt":"2023-10-06T03:04:15","guid":{"rendered":"http:\/\/garteng.com\/?p=2594"},"modified":"2023-10-06T11:04:19","modified_gmt":"2023-10-06T03:04:19","slug":"led-%e8%b7%af%e7%81%af%e9%80%8f%e9%95%9c%e7%9a%84%e4%ba%8c%e6%ac%a1%e5%85%89%e5%ad%a6%e8%ae%be%e8%ae%a1%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"http:\/\/garteng.com\/?p=2594","title":{"rendered":"LED \u8def\u706f\u900f\u955c\u7684\u4e8c\u6b21\u5149\u5b66\u8bbe\u8ba1\u4ecb\u7ecd"},"content":{"rendered":"

\u6458\u3000\u8981<\/strong>: LED \u7684\u4e8c\u6b21\u5149\u5b66\u5143\u4ef6\u8bbe\u8ba1\u5bf9LED \u8def\u706f\u7684\u914d\u5149\u53ca\u5149\u5b66\u8f93\u51fa\u6548\u7387\u81f3\u5173\u91cd\u8981\u3002\u826f\u597d\u7684\u9053\u8def\u7167\u660e\u8981\u6c42LED \u8def\u706f\u7684\u914d\u5149\u4e3a\u957f\u65b9\u5f62\u7684\u5149\u578b, \u8def\u706f\u53d1\u51fa\u7684\u6240\u6709\u5149\u521a\u521a\u53ef\u4ee5\u8986\u76d6\u4f4f\u9a6c\u8def, \u800c\u9a6c\u8def\u4e4b\u5916\u7684\u5149\u6c61\u67d3\u51e0\u4e4e\u4e3a\u96f6\u3002\u975e\u5bf9\u79f0\u81ea\u7531\u66f2\u9762\u4e8c\u6b21\u5149\u5b66\u5143\u4ef6\u7684\u91c7\u7528\u53ef\u4ee5\u4f7fLED \u8def\u706f\u7684\u957f\u65b9\u5f62\u914d\u5149\u76f4\u63a5\u5728\u5355\u4e2aLED \u6a21\u7ec4\u4e0a\u5b9e\u73b0\u3002\u6574\u4f53\u8def\u706f\u53ea\u9700\u8981\u5c06\u8fd9\u4e9bLED \u6a21\u7ec4\u9635\u5217\u6309\u7167\u76f8\u540c\u65b9\u5411\u6392\u5217\u5373\u53ef, \u4ece\u800c\u53ef\u4ee5\u7b80\u5316\u8def\u706f\u673a\u6784\u3001\u6563\u70ed\u53ca\u63a7\u5236\u7535\u6e90\u7684\u8bbe\u8ba1\u3002\u672c\u6587\u4ecb\u7ecd\u4e86LED \u8def\u706f\u7684\u4e8c\u6b21\u5149\u5b66\u8bbe\u8ba1, \u53ca\u4e00\u79cd\u7528\u4e8eLED \u8def\u706f\u7684\u81ea\u7531\u66f2\u9762\u4e8c\u6b21\u5149\u5b66\u900f\u955c\u7684\u8bbe\u8ba1\u65b9\u6cd5\u3002<\/p>

\u5173\u952e\u8bcd<\/strong>: LED \u8def\u706f; \u81ea\u7531\u66f2\u9762; \u4e8c\u6b21\u5149\u5b66\u5143\u4ef6; \u914d\u5149; \u9053\u8def\u7167\u660e; \u6563\u70ed<\/p>

1\u00a0\u3000\u80cc\u666f<\/strong>LED (\u53d1\u5149\u4e8c\u6781\u7ba1) \u6280\u672f\u7684\u53d1\u5c55\u5f00\u8f9f\u4e86\u7167\u660e\u6280\u672f\u9769\u547d\u7684\u65b0\u65f6\u4ee3\u3002\u7531\u4e8eLED \u5177\u6709\u4f53\u79ef\u5c0f\u3001\u5bff\u547d\u957f\u3001\u7535\u5149\u6548\u7387\u9ad8\u3001\u73af\u4fdd\u8282\u80fd\u7b49\u8bf8\u591a\u4f18\u70b9\u3002\u4f7f\u5f97LED \u8def\u706f\u7167\u660e\u6280\u672f\u5728\u6700\u8fd1\u51e0\u5e74\u5f97\u5230\u4e86\u8fc5\u901f\u53d1\u5c55\u3002\u76ee\u524d, \u5e02\u9762\u4e0a\u5355\u9897LED \u5149\u6e90\u7684\u5b9e\u9645\u5df2\u7ecf\u53ef\u4ee5\u505a\u5230\u4e86\u6bcf\u74e6100 \u6d41\u660e, \u91c7\u7528\u4f20\u7edf250 \u74e6\u94a0\u706f\u4f5c\u5149\u6e90\u7684\u8def\u706f, \u7528LED \u5149\u6e90\u4ee3\u66ff\u4e4b\u540e, \u5927\u6982\u53ea\u9700\u898160 \u591a\u9897LED \u5c31\u53ef\u4ee5\u4ea7\u751f\u76f8\u540c\u7684\u4eae\u5ea6, \u4ece\u800c\u6781\u5927\u5730\u8282\u7701\u4e86\u80fd\u6e90\u7684\u6d88\u8017\u3002\u7531\u4e8e\u5927\u90e8\u5206LED \u5149\u6e90\u7684\u8f90\u5c04\u89d2\u5206\u5e03\u4e3a110 \u5ea6\u81f3120 \u5ea6\u7684\u90ce\u4f2f(Lambertian distribution) \u5206\u5e03, \u5982\u679c\u6ca1\u6709\u7ecf\u8fc7\u914d\u5149\u8bbe\u8ba1, \u7167\u5728\u5730\u9762\u4e0a\u7684\u5149\u578b\u5c06\u4f1a\u4e3a\u9762\u79ef\u8f83\u5927\u7684\u5706\u578b\u7684\u5149\u6591, \u7ea650 %\u7684\u5149\u6563\u843d\u5230\u9a6c\u8def\u4e4b\u5916\u6ca1\u6709\u88ab\u5229\u7528\u8d77\u6765, \u800c\u4e14\u4f1a\u5bf9\u8fdc\u5904\u7684\u8f66\u8f86\u6216\u884c\u4eba\u4ea7\u751f\u7729\u5149,\u4e0e\u8def\u9762\u7167\u660e\u7684\u8981\u6c42\u4e0d\u7b26\u3002\u300a\u57ce\u5e02\u9053\u8def\u7167\u660e\u8bbe\u8ba1\u6807\u51c6\u300b\u8981\u6c42\u8def\u706f\u7684\u914d\u5149\u4e3a\u957f\u65b9\u5f62\u7684\u5149\u6591, \u5c06\u51e0\u4e4e\u6240\u6709\u7684\u5149\u90fd\u5206\u5e03\u5728\u8def\u9762\u4e0a[1 ] \u3002\u5bf9\u4e8e\u4e3b\u5e72\u9053\u8fd8\u9700\u8981\u91c7\u7528\u622a\u5149\u578b\u6216\u534a\u622a\u5149\u578b\u7684\u914d\u5149\u8bbe\u8ba1, \u4e00\u65b9\u9762\u53ef\u4ee5\u63d0\u9ad8\u5149\u7684\u5229\u7528\u6548\u7387, \u53e6\u4e00\u65b9\u9762\u8fd8\u53ef\u4ee5\u907f\u514d\u4ea7\u751f\u7729\u5149\u3002<\/p>

\"\u6280\u672f\u65b0\u5f15\u64ce\uff0c\u201c7070\uff0b\u8fde\u677f\u73bb\u7483\u900f\u955c\u201d\u52a9\u529bLED\u9053\u8def\u7167\u660e\u65b0\u672a\u6765\"<\/figure>

2\u00a0\u3000LED\u00a0\u8def\u706f\u7684\u914d\u5149\u8bbe\u8ba1<\/strong>\u5173\u4e8eLED \u8def\u706f\u7684\u914d\u5149\u8bbe\u8ba1\u6709\u5f88\u591a\u79cd, \u6700\u5e38\u89c1\u7684\u6709\u4ee5\u4e0b\u4e24\u79cd:\u7b2c1 \u79cd\u662f\u5f27\u5f62\u6392\u5217\u7684LED \u8def\u706f\u3002\u5355\u4e2aLED \u6a21\u7ec4\u91c7\u7528\u8f74\u5bf9\u79f0\u7684\u5168\u53cd\u5c04\u900f\u955c\u6216\u53cd\u5149\u676f\u8fdb\u884c\u914d\u5149, \u900f\u955c\u914d\u5149\u7684\u8f90\u5c04\u89d2\u5bbd\u5ea6\u8db3\u4ee5\u8986\u76d6\u9053\u8def\u7684\u5bbd\u5ea6; \u518d\u5c06LED\u6a21\u7ec4\u6392\u5217\u5728\u4e00\u4e2a\u5f27\u9762\u4e0a, \u901a\u8fc7\u8c03\u6574\u5f27\u9762\u7684\u66f2\u7387\u5728\u9053\u8def\u65b9\u5411\u4ea7\u751f\u4e00\u4e2a\u957f\u65b9\u5f62\u7684\u5149\u578b\u5206\u5e03\u3002\u56fe1 \u4e3a\u5f27\u5f62\u6392\u5217\u7684\u4e00\u4e2aLED \u8def\u706f\u7684\u8bbe\u8ba1, \u8def\u706f\u91c7\u7528\u4e8660 \u9897\u9ad8\u529f\u7387OSRAM\u6717\u4f2f\u5206\u5e03\u7684Golden Dragon LED , \u5355\u9897LED\u7684\u8f93\u51fa\u5149\u901a\u91cf\u4e3a\u6bcf\u74e680 \u6d41\u660e\u3002\u900f\u955c\u8bbe\u8ba1\u91c7\u7528\u8f74\u5bf9\u79f0\u7684\u900f\u5c04\u2014\u2014\u2014\u5168\u53cd\u5c04\u7ec4\u5408\u7ed3\u6784, \u5982\u56fe2 \u6240\u793a\u3002\u900f\u955c\u4e2d\u95f4\u90e8\u5206\u4e3a\u4e00\u5e73\u51f8\u975e\u7403\u9762\u900f\u955c\u3002\u5e73\u51f8\u975e\u7403\u9762\u900f\u955c\u5c06\u4eceLED \u51fa\u5c04\u7684\u4e0e\u5149\u8f74\u5939\u89d2\u00b164\u00b0\u5185\u7684\u5149\u5747\u5300\u5206\u5e03\u5728\u00b130\u00b0\u8303\u56f4\u4e4b\u5185\u3002\u5269\u4f5964\u00b0\uff5e90\u00b0\u90e8\u5206\u7684\u5149\u900f\u8fc7\u900f\u955c\u5185\u90e8\u4fa7\u9762\u7684\u67f1\u9762\u4e4b\u540e, \u7531\u5916\u8fb9\u503e\u659c\u7684\u66f2\u9762\u8fdb\u884c\u5168\u53cd\u5c04, \u8fd9\u90e8\u5206\u7684\u53cd\u5c04\u5149\u518d\u7ecf\u8fc7\u4e0a\u8868\u9762\u7684\u9525\u9762\u900f\u5c04\u540e\u4e5f\u5f62\u6210\u00b130\u00b0\u8303\u56f4\u5185\u7684\u5206\u5e03\u3002\u900f\u955c\u7684\u900f\u5c04\u90e8\u5206\u548c\u5168\u53cd\u5c04\u90e8\u5206\u7684\u5149\u675f\u7ecf\u53e0\u52a0\u540e, \u6700\u540e\u5f62\u6210\u4e00\u4e2a\u00b130\u00b0\u8303\u56f4\u5185\u6bd4\u8f83\u5747\u5300\u7684\u5149\u675f\u5206\u5e03(\u5747\u5300\u5ea6\u5927\u4e8e60\u00b0) \u3002\u900f\u955c\u7684\u5149\u7ebf\u8ffd\u8ff9\u548c\u5149\u5f3a\u7684\u8fdc\u573a\u89d2\u5ea6\u5206\u5e03\u89c1\u56fe3 , \u5149\u5f3a\u7684\u8fdc\u573a\u89d2\u5ea6\u5206\u5e03\u4e3a\u8774\u8776\u5f62\u3002\u00a0LED \u8def\u706f\u7684\u6784\u6210\u65b9\u6cd5\u4e3a\u5c06LED \u900f\u955c\u6a21\u7ec4\u6392\u5217\u5728\u4e00\u4e2a\u5f27\u9762\u4e0a, \u901a\u8fc7\u8c03\u6574\u5f27\u9762\u7684\u66f2\u7387, \u4f7f\u706f\u5934\u5728\u5f27\u9762\u65b9\u5411\u5f62\u6210\u00b160\u00b0\u5de6\u53f3\u7684\u914d\u5149, \u4e8e\u662f\u706f\u5934\u5b89\u88c5\u572810 \u7c73\u9ad8\u7684\u65f6\u5019\u53ef\u4ee5\u5728\u8def\u9762\u4e0a\u4ea7\u751f\u7ea6\u957f\u5ea6\u7ea635 \u7c73, \u8986\u76d6215 \u4e2a\u8f66\u9053\u5bbd\u5ea6\u7ea6\u4e3a10 \u7c73\u7684\u65b9\u5f62\u7684\u5149\u578b\u3002\u8fd9\u79cdLED \u8def\u706f\u7684\u4e8c\u6b21\u5149\u5b66\u5143\u4ef6(\u900f\u955c\u6216\u53cd\u5149\u676f) \u7684\u8bbe\u8ba1\u548c\u52a0\u5de5\u8f83\u4e3a\u7b80\u5355, \u5f15\u5165\u5168\u53cd\u5c04\u900f\u955c\u53ef\u4ee5\u6700\u5927\u53ef\u80fd\u5730\u63d0\u9ad8\u5149\u7684\u5229\u7528\u6548\u7387, \u7406\u8bba\u8ba1\u7b97\u7684\u6548\u7387\u8d85\u8fc798 %\u3002\u4f46\u7531\u4e8e\u900f\u955c\u6750\u6599\u672c\u8eab\u7684\u900f\u5c04\u7387\u7ea6\u4e3a92 % ,\u5b9e\u9645\u6ce8\u5851\u51fa\u6765\u7684\u900f\u955c\u6548\u7387\u7ea690 %\u3002\u900f\u955c\u9700\u8981\u4ea7\u751f\u4e00\u5b9a\u7684\u89d2\u5ea6\u5206\u5e03\u4ee5\u4fbf\u5728\u8981\u6c42\u7684\u9ad8\u5ea6\u4f4d\u7f6e\u8986\u76d6\u4f4f\u6240\u9700\u7684\u9053\u8def\u5bbd\u5ea6, \u800c\u9053\u8def\u65b9\u5411\u7684\u914d\u5149\u5219\u901a\u8fc7LED \u6392\u5217\u7684\u5f27\u9762\u6765\u8c03\u6574\u3002\u5f27\u5f62\u6392\u5217\u7684LED \u8def\u706f\u6bd4\u8f83\u7f8e\u89c2, \u4e0d\u5229\u56e0\u7d20\u662f\u5f27\u5f62\u7684\u6392\u5217\u4f7f\u9ad8\u529f\u7387LED \u7684\u6563\u70ed\u677f\u8bbe\u8ba1\u548c\u706f\u5934\u7684\u7ed3\u6784\u8bbe\u8ba1\u8f83\u4e3a\u9ebb\u70e6\u3002\u7b2c2 \u79cd\u662f\u5e73\u9762\u6392\u5217\u7684LED \u8def\u706f\u3002LED \u8def\u706f\u7684\u8bbe\u8ba1\u91c7\u7528\u4e86XY\u65b9\u5411\u975e\u5bf9\u79f0\u7684\u957f\u65b9\u5f62\u914d\u5149\u7684\u81ea\u7531\u66f2\u9762\u5149\u5b66\u5143\u4ef6(\u900f\u955c\u6216\u53cd\u5149\u676f) , \u957f\u65b9\u5f62\u7684\u914d\u5149\u76f4\u63a5\u5728\u5355\u4e2aLED \u5149\u5b66\u5143\u4ef6\u4e0a\u5b8c\u6210, \u6574\u4f53\u8def\u706f\u53ea\u9700\u5c06\u5177\u6709\u957f\u65b9\u5f62\u914d\u5149\u7684LED \u6a21\u7ec4\u7b80\u5355\u7684\u6392\u5217\u5728\u4e00\u4e2a\u5e73\u677f\u4e0a\u5373\u53ef,\u8fd9\u79cdLED \u8def\u706f\u5728\u673a\u68b0\u7ed3\u6784\u3001\u6563\u70ed\u53ca\u7535\u6e90\u63a7\u5236\u65b9\u9762\u6bd4\u8f83\u7b80\u5355, \u4e0d\u540c\u7b49\u7ea7\u516c\u8def\u548c\u4e0d\u540c\u706f\u6746\u9ad8\u5ea6\u7684\u9053\u8def\u7167\u660e\u53ea\u9700\u8981\u589e\u52a0\u4e0d\u540c\u6570\u91cf\u7684LED \u6a21\u7ec4\u5373\u53ef\u3002\u7531\u4e8e\u914d\u5149\u4e3a\u957f\u65b9\u5f62\u975e\u5bf9\u79f0\u7684\u5206\u5e03, \u7b80\u5355\u8f74\u5bf9\u79f0\u7684\u5168\u53cd\u5c04\u900f\u955c\u65e0\u6cd5\u5b9e\u73b0, \u9700\u8981\u91c7\u7528\u975e\u5bf9\u79f0\u81ea\u7531\u66f2\u9762\u7684\u900f\u955c, \u900f\u955c\u7684\u8bbe\u8ba1\u548c\u52a0\u5de5\u5de5\u827a\u6bd4\u8f83\u590d\u6742\u3002\u8fd9\u91cc\u5c06\u91cd\u70b9\u4ecb\u7ecd\u8fd9\u79cd\u81ea\u7531\u66f2\u9762\u900f\u955c\u7684\u8bbe\u8ba1\u3002 \u7531\u4e8e\u4e00\u822c\u7684\u5149\u5b66\u8f6f\u4ef6(\u5982Zemax , CodeV \u7b49) \u9488\u5bf9\u81ea\u7531\u66f2\u9762\u7684\u4f18\u5316\u8bbe\u8ba1\u65b9\u6cd5\u4e0d\u591f\u6210\u719f, \u8bbe\u8ba1\u4e00\u4e2a\u975e\u5bf9\u79f0\u7684\u81ea\u7531\u66f2\u9762\u9700\u8981\u82b1\u5f88\u591a\u7684\u65f6\u95f4\u7528\u624b\u5de5\u4e0d\u65ad\u53cd\u590d\u7684\u8c03\u6574\u548c\u8bbe\u7f6e\u64cd\u4f5c\u53c2\u6570, \u4e00\u4e2a\u6bd4\u8f83\u590d\u6742\u7684\u81ea\u7531\u66f2\u9762\u5f80\u5f80\u9700\u8981\u591a\u8fbe\u4e00\u4e2a\u6708\u751a\u81f3\u51e0\u4e2a\u6708\u7684\u65f6\u95f4, \u6709\u65f6\u6240\u4f18\u5316\u51fa\u6765\u7684\u66f2\u9762, \u5149\u5b66\u6548\u7387\u8fd8\u4e0d\u591f\u7406\u60f3\u3002\u8fd9\u91cc\u91c7\u7528\u4e86\u8fb9\u7f18\u5149\u7ebf\u6269\u5c55\u5ea6( Etendue) \u5b88\u6052\u7684\u539f\u7406\u521b\u5efa\u4e86\u4e00\u5957\u81ea\u7531\u66f2\u9762\u63a7\u5236\u7f51\u683c\u7684\u8282\u70b9\u77e2\u91cf\u7684\u7cbe\u786e\u8ba1\u7b97\u65b9\u6cd5, \u53ef\u4ee5\u5728\u8f83\u77ed\u65f6\u95f4\u5185(\u4e00\u822c\u4e3a\u51e0\u4e2a\u5c0f\u65f6\u751a\u81f3\u66f4\u77ed) \u4f18\u5316\u51fa\u5177\u6709\u6700\u4f18\u6548\u7387\u53ca\u7cbe\u786e\u914d\u5149\u7684\u81ea\u7531\u66f2\u9762\u5149\u5b66\u5143\u4ef6\u3002\u8fb9\u7f18\u5149\u7ebf\u7684\u6269\u5c55\u5ea6\u5b88\u6052\u539f\u7406\u5982\u56fe4 \u6240\u793a, \u5b83\u7ed3\u5408\u4e86\u8fb9\u7f18\u5149\u7ebf\u539f\u7406[2 ] \u53ca\u5149\u6e90\u7684\u6269\u5c55\u5ea6\u5b88\u6052( Etendue Conservation) <\/p>

[3 ] \u3002\u5149\u6e90\u7ecf\u8fc7\u5149\u5b66\u7cfb\u7edf\u5230\u8fbe\u76ee\u6807\u662f\u4e2a\u6570\u5b66\u6620\u5c04\u7684\u5173\u7cfb\u3002\u901a\u8fc7\u81ea\u7531\u66f2\u9762\u7684\u8fb9\u7f18\u7684\u90a3\u90e8\u5206\u5149\u7ebf,\u7ecf\u8fc7\u6620\u5c04\u540e, \u4e5f\u5bf9\u5e94\u4e8e\u76ee\u6807\u7684\u8fb9\u7f18, \u81ea\u7531\u66f2\u9762\u4e2d\u95f4\u8fde\u7eed\u7684\u90e8\u5206, \u7ecf\u8fc7\u6620\u5c04\u540e, \u4e5f\u5728\u76ee\u6807\u4e2d\u95f4\u5f62\u6210\u8fde\u7eed\u7684\u5206\u5e03\u3002\u5982\u679c\u5149\u5b66\u7cfb\u7edf\u6ca1\u6709\u635f\u8017, \u90a3\u5149\u5b66\u7cfb\u7edf\u7684\u5149\u6e90\u53ca\u76ee\u6807\u7684\u6269\u5c55\u5ea6\u662f\u5b88\u6052\u7684\u3002\u6269\u5c55\u5ea6\u4e3a\u5149\u6e90\u6216\u76ee\u6807\u7b2c19 \u5377\u7b2c4 \u671f\u848b\u91d1\u6ce2\u7b49: LED \u8def\u706f\u900f\u955c\u7684\u4e8c\u6b21\u5149\u5b66\u8bbe\u8ba1\u4ecb\u7ecd61\u7684\u9762\u79ef\u4e0e\u5149\u7ebf\u53d1\u6563\u89d2\u6240\u5f62\u6210\u7684\u7acb\u4f53\u89d2\u7684\u4e58\u79ef\u3002\u6839\u636e\u8fd9\u4e00\u539f\u7406, \u53ef\u5c06\u76ee\u6807\u53ca\u81ea\u7531\u66f2\u9762\u5206\u5272\u6210\u7b49\u91cf\u7684\u7f51\u683c(\u5982\u56fe4 \u4e2d\u7684V&U \u7f51\u683c\u53caY&X \u7f51\u683c) , \u76ee\u6807\u7684\u7f51\u683c\u8282\u70b9\u4e0e\u81ea\u7531\u66f2\u9762\u7684\u7f51\u683c\u8282\u70b9\u5f62\u6210\u4e00\u4e00\u5bf9\u5e94, \u518d\u6839\u636e\u76ee\u6807\u8282\u70b9\u7684\u4f4d\u7f6e\u53ca\u6cd5\u77e2\u91cf, \u5c31\u53ef\u4ee5\u5bf9\u5e94\u5730\u7cbe\u786e\u8ba1\u7b97\u51fa\u56fe5 \u6240\u793a\u7684\u81ea\u7531\u66f2\u9762\u7684\u63a7\u5236\u7f51\u683c\u7684\u8282\u70b9\u6cd5\u77e2\u91cf,\u4ece\u800c\u751f\u6210\u6240\u9700\u8981\u7684\u81ea\u7531\u66f2\u9762\u3002\u8fb9\u7f18\u5149\u7ebf\u7684\u6269\u5c55\u5ea6\u5b88\u6052\u539f\u7406\u53ef\u4ee5\u7531\u4ee5\u4e0b\u5f0f\u5b50\u6765\u8868\u793a:\u8fd9\u79cd\u8bbe\u8ba1\u65b9\u6cd5\u88ab\u7528\u6765\u8bbe\u8ba1LED\u00a0\u8def\u706f\u7684\u81ea\u7531\u66f2\u9762\u900f\u955c,\u00a0\u8def\u706f\u5b89\u88c5\u9ad8\u5ea6\u4e3a12\u00a0\u7c73,\u00a0\u8def\u706f\u95f4\u969440\u00a0\u7c73,\u00a0\u8def\u9762\u5bbd12\u00a0\u7c73(3\u00a0\u4e2a\u8f66\u9053) ,\u00a0\u5373\u8def\u706f\u9700\u8981\u5728\u8def\u9762\u4e0a\u4ea7\u751f40\u00a0\u7c73\u957f\u300112\u00a0\u7c73\u5bbd\u7684\u65b9\u5f62\u5149\u6591\u3002\u6839\u636e\u8fd9\u4e2a\u8981\u6c42,\u00a0\u9700\u8981\u8bbe\u8ba1\u5728X\u65b9\u5411\u4ea7\u751f\u00b160\u00b0\u5185\u5747\u5300\u5206\u5e03\u7684\u914d\u5149,\u00a0\u5728Y\u65b9\u5411\u4ea7\u751f\u00b130\u00b0\u5185\u5747\u5300\u5206\u5e03\u7684\u914d\u5149\u7684\u65b9\u5f62\u5149\u6591\u7684\u81ea\u7531\u66f2\u9762\u900f\u955c\u3002\u56fe6\u00a0\u4e3a\u7528\u8fb9\u7f18\u5149\u7ebf\u6269\u5c55\u5ea6\u5b88\u6052\u65b9\u6cd5\u8bbe\u8ba1\u7684\u81ea\u7531\u66f2\u9762\u900f\u955c\u3002\u900f\u955c\u7684\u63a7\u5236\u7f51\u683c\u7684\u8282\u70b9\u6cd5\u7ebf,\u00a0\u8ddf\u636e\u8fb9\u7f18\u5149\u7ebf\u6269\u5c55\u5ea6\u5b88\u6052\u539f\u7406,\u00a0\u4ee5\u53ca\u65af\u6d85\u5c14(Snell)\u00a0\u6298\u5c04\u5b9a\u5f8b,\u00a0\u6709\u4ee5\u4e0b\u516c\u5f0f(2)\u00a0\u7684\u5173\u7cfb,\u00a0\u5f0f\u4e2dN\u00a0<\/em>\u4e3a\u6cd5\u7ebf\u77e2\u91cf,\u00a0A\u00a0<\/em>\u4e3a\u5165\u5c04\u5149\u7ebf\u77e2\u91cf,\u00a0A\u2032<\/em>\u4e3a\u51fa\u5c04\u5149\u7ebf\u77e2\u91cf\u3002<\/p>

\u00a0N\u00a0<\/strong>=\u00a0Nx\u00a0<\/em>i\u00a0<\/strong>+\u00a0Ny\u00a0<\/em>j\u00a0<\/strong>+\u00a0Nz\u00a0<\/em>k\u00a0<\/strong>;A\u00a0<\/strong>=\u00a0Ax\u00a0<\/em>i\u00a0<\/strong>+\u00a0Ay\u00a0<\/em>j\u00a0<\/strong>+\u00a0Az\u00a0<\/em>k\u00a0<\/strong>;A\u2032<\/em>=\u00a0Bx\u00a0<\/em>i\u00a0<\/strong>+\u00a0By\u00a0<\/em>j\u00a0<\/strong>+\u00a0Bz\u00a0<\/em>k\u00a0<\/strong>;<\/p>

\u5c06\u900f\u955c\u66f2\u9762\u548c\u76ee\u6807\u5149\u6591\u5206\u6210\u7b49\u91cf\u7684\u7f51\u683c,\u00a0\u6839\u636e\u5165\u5c04\u5149\u7ebf\u53ca\u51fa\u5c04\u5149\u7ebf\u7684Snell\u00a0\u65b9\u7a0b,\u00a0\u5c06\u7f51\u683c\u7684\u8282\u70b9\u77e2\u91cf\u4e00\u4e00\u5bf9\u5e94,\u00a0\u6574\u4e2a\u66f2\u9762\u7684\u63a7\u5236\u7f51\u683c\u7531\u8ba1\u7b97\u673a\u8fed\u4ee3\u6cd5\u7b97\u51fa,\u00a0\u6700\u540e\u5c06\u63a7\u5236\u7f51\u683c\u8499\u4e0a\u8499\u76ae\u5f62\u6210\u66f2\u9762\u518d\u586b\u5145\u540e\u5f62\u6210\u900f\u955c\u5b9e\u4f53\u3002\u6574\u4f53\u8def\u706f\u7684\u5149\u6548\u6a21\u62df\u7531\u5149\u7ebf\u8ffd\u8ff9\u8f6f\u4ef6LightTools\u00a0\u8fdb\u884c\u5149\u7ebf\u8ffd\u8ff9,\u00a0\u5982\u56fe8\u00a0\u6240\u793a\u3002\u6a21\u62df\u7ed3\u679c\u5982\u56fe9\u00a0\u81f3\u56fe11\u00a0\u6240\u793a,\u00a0\u5f53\u8def\u706f\u9ad8\u5ea6\u4e3a12\u00a0\u7c73\u7684\u65f6\u5019,\u8def\u706f\u572840\u00a0\u7c73\u00d712\u00a0\u7c73\u7684\u8def\u9762\u4e0a\u53ef\u4ee5\u4ea7\u751f\u975e\u5e38\u5747\u5300\u7684\u914d\u5149\u3002\u8def\u706f\u7684\u8fdc\u573a\u89d2\u5ea6\u5206\u5e03\u4e3a\u8759\u8760\u7ffc\u5f62,\u00a0\u8f90\u5c04\u5f3a\u5ea6X\u65b9\u5411\u7684\u5cf0\u503c\u5149\u5f3a\u7684\u4e00\u534a\u7ea6\u4e3a\u00b160\u00b0,\u00a0\u8f90\u5c04\u5f3a\u5ea6Y\u65b9\u5411\u7684\u5cf0\u503c\u5149\u5f3a\u7684\u4e00\u534a\u7ea6\u4e3a\u00b130\u00b0\u3002\u8def\u706f\u7684\u5149\u578b\u5982\u56fe11\u6240\u793a,\u00a0\u5b9e\u7269\u7167\u7247\u5982\u56fe12\u00a0\u6240\u793a,\u00a0\u8def\u706f\u5149\u5f62\u6d4b\u8bd5\u7ed3\u679c\u901a\u8fc7\u56fd\u5bb6\u57ce\u5e02\u9053\u8def\u7167\u660e\u8bbe\u8ba1\u6807\u51c6CJJ 45\u00a0\u20142006\u3002\u56fe12\u00a0 \u91c7\u7528\u81ea\u7531\u66f2\u9762\u900f\u955c\u7684LED\u8def\u706f\u5b9e\u7269\u7167\u7247<\/p>

\"\"
EMC\u9879\u76ee<\/figcaption><\/figure>

3\u00a0\u3000\u7ed3\u8bba<\/strong>\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u4e86\u4e24\u79cdLED \u8def\u706f\u7684\u914d\u5149\u8bbe\u8ba1\u5e76\u91cd\u70b9\u4ecb\u7ecd\u4e86\u4e00\u79cd\u975e\u5bf9\u79f0\u914d\u5149\u7684\u81ea\u7531\u66f2\u9762\u900f\u955c\u7684\u5149\u5b66\u8bbe\u8ba1\u3002\u7b2c\u4e00\u79cdLED \u8def\u706f\u91c7\u7528\u4e86\u8f74\u5bf9\u79f0\u7684\u5168\u53cd\u5c04\u900f\u955c\u6216\u53cd\u5149\u676f, LED \u900f\u955c\u6a21\u7ec4\u6392\u5217\u4e8e\u4e00\u4e2a\u5f27\u9762\u4e0a\u4ee5\u4ea7\u751f\u957f\u65b9\u5f62\u7684\u914d\u5149\u3002\u5168\u53cd\u5c04\u900f\u955c\u7684\u5f15\u5165\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u5149\u7684\u5229\u7528\u6548\u7387, \u4f46\u662f\u5f27\u5f62\u7684LED \u6a21\u7ec4\u7684\u6392\u5217\u4f7f\u9ad8\u529f\u7387LED \u7684\u6563\u70ed\u677f\u8bbe\u8ba1\u548c\u673a\u68b0\u7ed3\u6784\u8f83\u4e3a\u9ebb\u70e6\u3002\u7b2c\u4e8c\u79cdLED \u8def\u706f\u91c7\u7528\u4e86\u975e\u5bf9\u79f0\u7684\u81ea\u7531\u66f2\u9762\u900f\u955c, \u53ef\u4ee5\u5c06\u957f\u65b9\u5f62\u7684\u914d\u5149\u76f4\u63a5\u7531\u5355\u4e2aLED \u5149\u5b66\u5143\u4ef6\u5b8c\u6210\u3002\u6574\u4f53\u706f\u5934\u53ea\u9700\u5c06\u5177\u6709\u957f\u65b9\u5f62\u914d\u5149\u7684LED \u6a21\u7ec4\u7b80\u5355\u7684\u6392\u5217\u5728\u4e00\u4e2a\u5e73\u677f\u4e0a\u5373\u53ef, \u8fd9\u79cdLED \u8def\u706f\u5728\u673a\u68b0\u7ed3\u3001\u6563\u70ed\u3001\u53ca\u7535\u6e90\u63a7\u5236\u65b9\u9762\u6bd4\u8f83\u7b80\u5355, \u4e0d\u540c\u7b49\u7ea7\u516c\u8def\u548c\u4e0d\u540c\u706f\u6746\u9ad8\u5ea6\u7684\u9053\u8def\u7167\u660e\u53ea\u9700\u8981\u589e\u52a0\u4e0d\u540c\u6570\u91cf\u7684LED\u6a21\u7ec4\u5373\u53ef\u3002\u81ea\u7531\u66f2\u9762\u7684\u8bbe\u8ba1\u91c7\u7528\u4e86\u8fb9\u7f18\u5149\u7ebf\u6269\u5c55\u5ea6(Etendue) \u5b88\u6052\u7684\u539f\u7406, \u521b\u5efa\u4e86\u4e00\u5957\u81ea\u7531\u66f2\u9762\u63a7\u5236\u7f51\u683c\u7684\u8282\u70b9\u77e2\u91cf\u7684\u7cbe\u786e\u8ba1\u7b97\u65b9\u6cd5\u3002\u4f7f\u900f\u955c\u5728X \u65b9\u5411\u4ea7\u751f\u00b160\u00b0\u5185\u5747\u5300\u5206\u5e03\u7684\u914d\u5149, \u5728Y\u65b9\u5411\u4ea7\u751f\u00b130\u00b0\u5185\u5747\u5300\u5206\u5e03\u7684\u914d\u5149\u7684\u65b9\u5f62\u5149\u6591\u3002<\/p>","protected":false},"excerpt":{"rendered":"

\u6458\u3000\u8981: LED \u7684\u4e8c\u6b21\u5149\u5b66\u5143\u4ef6\u8bbe\u8ba1\u5bf9LED \u8def\u706f\u7684\u914d\u5149\u53ca\u5149\u5b66\u8f93\u51fa\u6548\u7387\u81f3\u5173\u91cd\u8981\u3002\u826f\u597d\u7684\u9053\u8def\u7167\u660e\u8981\u6c42LED \u8def\u706f\u7684\u914d\u5149\u4e3a\u957f\u65b9\u5f62\u7684\u5149\u578b, \u8def\u706f\u53d1\u51fa\u7684\u6240\u6709\u5149\u521a\u521a\u53ef\u4ee5\u8986\u76d6\u4f4f\u9a6c\u8def, \u800c\u9a6c\u8def\u4e4b\u5916\u7684\u5149\u6c61\u67d3\u51e0\u4e4e\u4e3a\u96f6\u3002\u975e\u5bf9\u79f0\u81ea\u7531\u66f2\u9762\u4e8c\u6b21\u5149\u5b66\u5143\u4ef6\u7684\u91c7\u7528\u53ef\u4ee5\u4f7fLED \u8def\u706f\u7684\u957f\u65b9\u5f62\u914d\u5149\u76f4\u63a5\u5728\u5355\u4e2aLED \u6a21\u7ec4\u4e0a\u5b9e\u73b0\u3002\u6574\u4f53\u8def\u706f\u53ea\u9700\u8981\u5c06\u8fd9\u4e9bLED \u6a21\u7ec4\u9635\u5217\u6309\u7167\u76f8\u540c\u65b9\u5411\u6392\u5217\u5373\u53ef, \u4ece\u800c\u53ef\u4ee5\u7b80\u5316\u8def\u706f\u673a\u6784\u3001\u6563\u70ed\u53ca\u63a7\u5236\u7535\u6e90\u7684\u8bbe\u8ba1\u3002\u672c\u6587\u4ecb\u7ecd\u4e86LED \u8def\u706f\u7684\u4e8c\u6b21\u5149\u5b66\u8bbe\u8ba1, \u53ca\u4e00\u79cd\u7528\u4e8eLED \u8def\u706f\u7684\u81ea\u7531\u66f2\u9762\u4e8c\u6b21\u5149\u5b66\u900f\u955c\u7684\u8bbe\u8ba1\u65b9\u6cd5\u3002 \u5173\u952e\u8bcd: LED \u8def\u706f; \u81ea\u7531\u66f2\u9762; \u4e8c\u6b21\u5149\u5b66\u5143\u4ef6; \u914d\u5149; \u9053\u8def\u7167\u660e; \u6563\u70ed 1\u00a0\u3000\u80cc\u666fLED (\u53d1\u5149\u4e8c\u6781\u7ba1) \u6280\u672f\u7684\u53d1\u5c55\u5f00\u8f9f\u4e86\u7167\u660e\u6280\u672f\u9769\u547d\u7684\u65b0\u65f6\u4ee3\u3002\u7531\u4e8eLED \u5177\u6709\u4f53\u79ef\u5c0f\u3001\u5bff\u547d\u957f\u3001\u7535\u5149\u6548\u7387\u9ad8\u3001\u73af\u4fdd\u8282\u80fd\u7b49\u8bf8\u591a\u4f18\u70b9\u3002\u4f7f\u5f97LED \u8def\u706f\u7167\u660e\u6280\u672f\u5728\u6700\u8fd1\u51e0\u5e74\u5f97\u5230\u4e86\u8fc5\u901f\u53d1\u5c55\u3002\u76ee\u524d, \u5e02\u9762\u4e0a\u5355\u9897LED \u5149\u6e90\u7684\u5b9e\u9645\u5df2\u7ecf\u53ef\u4ee5\u505a\u5230\u4e86\u6bcf\u74e6100 \u6d41\u660e, \u91c7\u7528\u4f20\u7edf250 \u74e6\u94a0\u706f\u4f5c\u5149\u6e90\u7684\u8def\u706f, \u7528LED \u5149\u6e90\u4ee3\u66ff\u4e4b\u540e, \u5927\u6982\u53ea\u9700\u898160 \u591a\u9897LED \u5c31\u53ef\u4ee5\u4ea7\u751f\u76f8\u540c\u7684\u4eae\u5ea6, \u4ece\u800c\u6781\u5927\u5730\u8282\u7701\u4e86\u80fd\u6e90\u7684\u6d88\u8017\u3002\u7531\u4e8e\u5927\u90e8\u5206LED \u5149\u6e90\u7684\u8f90\u5c04\u89d2\u5206\u5e03\u4e3a110 \u5ea6\u81f3120 \u5ea6\u7684\u90ce\u4f2f(Lambertian distribution) \u5206\u5e03, \u5982\u679c\u6ca1\u6709\u7ecf\u8fc7\u914d\u5149\u8bbe\u8ba1, \u7167\u5728\u5730\u9762\u4e0a\u7684\u5149\u578b\u5c06\u4f1a\u4e3a\u9762\u79ef\u8f83\u5927\u7684\u5706\u578b\u7684\u5149\u6591, \u7ea650 %\u7684\u5149\u6563\u843d\u5230\u9a6c\u8def\u4e4b\u5916\u6ca1\u6709\u88ab\u5229\u7528\u8d77\u6765, \u800c\u4e14\u4f1a\u5bf9\u8fdc\u5904\u7684\u8f66\u8f86\u6216\u884c\u4eba\u4ea7\u751f\u7729\u5149,\u4e0e\u8def\u9762\u7167\u660e\u7684\u8981\u6c42\u4e0d\u7b26\u3002\u300a\u57ce\u5e02\u9053\u8def\u7167\u660e\u8bbe\u8ba1\u6807\u51c6\u300b\u8981\u6c42\u8def\u706f\u7684\u914d\u5149\u4e3a\u957f\u65b9\u5f62\u7684\u5149\u6591, \u5c06\u51e0\u4e4e\u6240\u6709\u7684\u5149\u90fd\u5206\u5e03\u5728\u8def\u9762\u4e0a[1 ] \u3002\u5bf9\u4e8e\u4e3b\u5e72\u9053\u8fd8\u9700\u8981\u91c7\u7528\u622a\u5149\u578b\u6216\u534a\u622a\u5149\u578b\u7684\u914d\u5149\u8bbe\u8ba1, \u4e00\u65b9\u9762\u53ef\u4ee5\u63d0\u9ad8\u5149\u7684\u5229\u7528\u6548\u7387, \u53e6\u4e00\u65b9\u9762\u8fd8\u53ef\u4ee5\u907f\u514d\u4ea7\u751f\u7729\u5149\u3002 2\u00a0\u3000LED\u00a0\u8def\u706f\u7684\u914d\u5149\u8bbe\u8ba1\u5173\u4e8eLED \u8def\u706f\u7684\u914d\u5149\u8bbe\u8ba1\u6709\u5f88\u591a\u79cd, […]<\/p>\n","protected":false},"author":1,"featured_media":1995,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[10],"tags":[15,14],"class_list":["post-2594","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glasslensmoduleinformation","tag-led-module","tag-glass-lens"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"http:\/\/garteng.com\/wp-content\/uploads\/2023\/07\/\u9ad8\u67b6\u6865\u9053\u8def\u591c\u666f.jpg","_links":{"self":[{"href":"http:\/\/garteng.com\/index.php?rest_route=\/wp\/v2\/posts\/2594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/garteng.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/garteng.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/garteng.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/garteng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2594"}],"version-history":[{"count":1,"href":"http:\/\/garteng.com\/index.php?rest_route=\/wp\/v2\/posts\/2594\/revisions"}],"predecessor-version":[{"id":2595,"href":"http:\/\/garteng.com\/index.php?rest_route=\/wp\/v2\/posts\/2594\/revisions\/2595"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/garteng.com\/index.php?rest_route=\/wp\/v2\/media\/1995"}],"wp:attachment":[{"href":"http:\/\/garteng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/garteng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2594"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/garteng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}