{"id":173,"date":"2016-05-04T13:23:47","date_gmt":"2016-05-04T13:23:47","guid":{"rendered":""},"modified":"2016-05-04T21:24:06","modified_gmt":"2016-05-04T13:24:06","slug":"led%e7%81%af%e5%88%b0%e5%ba%95%e6%98%af%e9%ab%98pf%e9%87%8d%e8%a6%81%e8%bf%98%e6%98%af%e6%97%a0%e9%97%aa%e7%83%81%e9%87%8d%e8%a6%81%3f","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=173","title":{"rendered":"LED\u706f\u5230\u5e95\u662f\u9ad8PF\u91cd\u8981\u8fd8\u662f\u65e0\u95ea\u70c1\u91cd\u8981?"},"content":{"rendered":"

\n\t\u3000\u3000\u73b0\u5728\u5e02\u573a\u4e0a\u6709\u4e24\u79cd\u5149\u5f15\u64ce\uff0c\u4e00\u79cd\u662f\u9ad8PF\u4f46\u662f\u4e25\u91cd\u95ea\u70c1\u7684\u65e0\u7535\u89e3\u7535\u5bb9\u5149\u5f15\u64ce\uff0c\u53e6\u4e00\u79cd\u662f\u65e0\u95ea\u70c1\u800c\u4f4ePF\u7684\u6709\u7535\u89e3\u7535\u5bb9\u5149\u5f15\u64ce\u3002\u90a3\u4e48\u5230\u5e95\u662f\u54ea\u4e00\u79cd\u5149\u5f15\u64ce\u66f4\u597d\u5462?<\/p>\n

\n\t\u3000\u3000\u4e00\u3001\u95ee\u9898\u7684\u7531\u6765<\/strong><\/p>\n

\n\t\u3000\u3000\u73b0\u5728\u5e02\u573a\u4e0a\u6709\u4e24\u79cd\u5149\u5f15\u64ce\uff0c\u4e00\u79cd\u662f\u9ad8PF\u4f46\u662f\u4e25\u91cd\u95ea\u70c1\u7684\u65e0\u7535\u89e3\u7535\u5bb9\u5149\u5f15\u64ce\uff0c\u53e6\u4e00\u79cd\u662f\u65e0\u95ea\u70c1\u800c\u4f4ePF\u7684\u6709\u7535\u89e3\u7535\u5bb9\u5149\u5f15\u64ce\u3002\u90a3\u4e48\u5230\u5e95\u662f\u54ea\u4e00\u79cd\u5149\u5f15\u64ce\u66f4\u597d\u5462?<\/p>\n

\n\t\u3000\u3000\u4e8c\u3001\u8d77\u56e0<\/strong><\/p>\n

\n\t\u3000\u3000\u7f8e\u56fd\u7845\u8c37\u7684\u4e00\u5bb6\u516c\u53f8ExClara\u53d1\u660e\u4e86\u4e00\u79cdLED<\/font>\u7cfb\u7edf\uff0c\u4e3a\u4e86\u63d0\u9ad8\u529f\u7387\u56e0\u6570PF\uff0c\u4e0d\u4f46\u62ff\u6389\u4e86\u7535\u89e3\u7535\u5bb9\uff0c\u800c\u4e14\u4e3a\u4e86\u4f7f\u5f97\u7535\u6d41\u6ce2\u5f62\u548c\u7535\u538b\u6ce2\u5f62\u5b8c\u5168\u5339\u914d\uff0c\u91c7\u7528\u4e86\u5c06LED\u4e32\u5206\u4e3a\u51e0\u7ec4\u800c\u4f9d\u6b21\u5bfc\u901a\u3002\u8fd9\u6837\u505a\u7684\u7ed3\u679c\u4e00\u5b9a\u662f\u5bfc\u81f4LED\u95f4\u6b47\u53d1\u5149\u800c\u4ea7\u751f\u4e25\u91cd\u7684\u95ea\u70c1\u3002<\/p>\n

\n\t\u3000\u3000\u4e09\u3001\u95ea\u70c1\u7a0b\u5ea6<\/strong><\/p>\n

\n\t\u3000\u3000LED\u672c\u6765\u5c31\u662f\u9700\u8981\u6709\u4e00\u5b9a\u7684\u542f\u52a8\u7535\u538b(2V\u4ee5\u4e0a)\u624d\u80fd\u5bfc\u901a\uff0c\u73b0\u5728\u518d\u8981\u7b49\u8f93\u5165\u7535\u538b\u5347\u9ad8\u5230\u4e00\u5b9a\u9ad8\u5ea6\u4ee5\u540e\u624d\u5bfc\u901a\uff0c\u8fd9\u6837\u505a\u52bf\u5fc5\u4f1a\u4f7f\u5f97\u5728\u4e24\u4e2a\u534a\u6b63\u5f26\u6ce2\u4e2d\u95f4\u6709\u4e00\u4e2a\u5f88\u5927\u7684\u6697\u533a(\u89c1\u4e0b\u56fe\u7bad\u5934\u533a)\uff0c\u4ece\u800c\u4f7f\u5f97\u5b83\u7684\u95ea\u70c1\u8fdc\u6bd4\u5176\u4ed6\u706f\u5177(\u50cf\u767d\u70bd\u706f\u3001\u8367\u5149\u706f)\u8981\u4e25\u91cd\u5f97\u591a\u3002<\/p>\n

\n\t\u3000\u3000\u56db\u3001\u95ea\u70c1\u9020\u6210\u7684\u540e\u679c\u548c\u95ee\u9898<\/strong><\/p>\n

\n\t\u3000\u30001.\u5bf9\u4eba\u4f53\u7684\u5f71\u54cd\uff1a<\/p>\n

\n\t\u3000\u3000·\u4f1a\u4ea7\u751f\u5e94\u53d8\u75b2\u52b3\uff0c\u89c6\u529b\u6a21\u7cca\uff0c\u548c\u4f20\u7edf\u7684\u5934\u75bc;<\/p>\n

\n\t\u3000\u3000·\u4f1a\u5bfc\u81f4\u5149\u654f\u6027\u766b\u75eb\u75c5\u4eba\u53d1\u4f5c;<\/p>\n

\n\t\u3000\u3000·\u5728\u81ea\u95ed\u75c7\u513f\u7ae5\u4e4b\u95f4\u589e\u52a0\u91cd\u590d\u884c\u4e3a\u3002<\/p>\n

\n\t\u3000\u30002.\u5bf9\u751f\u4ea7\u5de5\u4eba\u7684\u5f71\u54cd<\/p>\n

\n\t\u3000\u3000·\u5bf9\u8981\u6c42\u89c6\u529b\u548c\u89c6\u89c9\u6709\u5173\u7684\u5de5\u4eba\u4f1a\u5bfc\u81f4\u4f5c\u4e1a\u6027\u80fd\u4e0a\u7684\u4e0b\u964d;<\/p>\n

\n\t\u3000\u3000·\u5bf9\u4f7f\u7528\u6216\u63a5\u89e6\u65cb\u8f6c\u673a\u68b0\u7684\u5de5\u4eba\u4f1a\u4ea7\u751f\u8f6c\u52a8\u53d8\u6162\uff0c\u505c\u8f6c\uff0c\u751a\u81f3\u53cd\u8f6c\u7684\u6548\u679c\uff0c\u4e25\u91cd\u65f6\u4f1a\u5bfc\u81f4\u5de5\u4f24\u4e8b\u6545\u3002<\/p>\n

\n\t\u3000\u30003.\u5bf9\u8fd0\u52a8\u5458\u7684\u5f71\u54cd<\/p>\n

\n\t\u3000\u3000\u5bf9\u4e52\u4e53\u7403\u7fbd\u6bdb\u7403\u7b49\u6781\u9ad8\u901f\u5ea6\u8fd0\u52a8\u7684\u8fd0\u52a8\u5458\uff0c\u56e0\u4e3a\u6bcf\u96941\/100\u79d2\u5c31\u4f1a\u67092ms\u7684\u9ed1\u6697\uff0c\u8fd9\u79cd\u706f\u5149\u7684\u95ea\u70c1\u7ecf\u5e38\u4f1a\u5f15\u8d77\u5bf9\u5c0f\u7403\u7684\u65b9\u5411\u5224\u65ad\u5931\u8bef\u7b49\u95ee\u9898\uff0c<\/p>\n

\n\t\u3000\u30004.\u5bf9\u6587\u827a\u6444\u5f71\u7684\u5f71\u54cd<\/p>\n

\n\t\u3000\u3000·\u4f1a\u5728\u7167\u7247\u4e0a\u7559\u4e0b\u6761\u7eb9;<\/p>\n

\n\t\u3000\u3000·\u957f\u65f6\u95f4\u66dd\u5149\u955c\u5934\u79fb\u52a8\u62cd\u6444\u65f6\u4f1a\u4ea7\u751f\u602a\u8138\u3002<\/p>\n

\n\t\u3000\u30005.\u5bf9\u89c6\u9891\u3001\u7535\u89c6\u3001\u7535\u5f71\u5236\u4f5c\u7684\u5f71\u54cd<\/p>\n

\n\t\u3000\u3000\u706f\u5149\u7684\u95ea\u70c1\u5bf9\u5f71\u89c6\u5267\u7684\u5236\u4f5c\u8d28\u91cf\u8d77\u5f88\u574f\u7684\u5f71\u54cd\uff0c\u51fa\u73b0\u91cd\u5f71\u548c\u5e72\u6270\u6761\u7eb9\uff0c\u4ee5\u81f4\u65e0\u6cd5\u64ad\u653e<\/p>\n

\n\t\u3000\u30006.\u5bf9\u5b89\u9632\uff0c\u8b66\u6212\u7cfb\u7edf\u7684\u5f71\u54cd<\/p>\n

\n\t\u3000\u3000\u56e0\u4e3a\u6444\u50cf\u673a\u7684\u6444\u50cf\u77ac\u95f4\u6709\u53ef\u80fd\u6b63\u597d\u5728\u706f\u5149\u9ed1\u6697\u7684\u65f6\u5019\uff0c\u8fd9\u65f6\u5019\u5c31\u6709\u53ef\u80fd\u62cd\u51fa\u5168\u9ed1\u7684\u56fe\u50cf\uff0c\u4e5f\u5c31\u662f\u5931\u53bb\u5b8c\u6574\u7684\u4e00\u5e27\u3002\u5982\u679c\u8fd9\u4e00\u5e27\u6b63\u597d\u662f\u66b4\u5f92\u884c\u51f6\u7684\u77ac\u95f4\uff0c\u90a3\u5c31\u5931\u53bb\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u8bc1\u636e<\/p>\n

\n\t\u3000\u3000\u4e94\u3001\u600e\u6837\u624d\u80fd\u6d88\u9664\u95ea\u70c1<\/strong><\/p>\n

\n\t\u3000\u3000\u6700\u5f7b\u5e95\u7684\u529e\u6cd5\u662f\u8981\u6d88\u9664\u4ea7\u751f\u8fd9\u79cd\u4eae\u5ea6\u95ea\u70c1\u7684\u6839\u6e90\u3002\u90a3\u5c31\u662f\u5728\u6574\u6d41\u4ee5\u540e\u91c7\u7528\u7535\u89e3\u7535\u5bb9\u6ee4\u6ce2\uff0c\u5f7b\u5e95\u6ee4\u53bb\u8fd9\u79cd\u4ea4\u6d41\u7eb9\u6ce2\u3002<\/p>\n

\n\t\u3000\u3000\u91c7\u7528\u7535\u89e3\u7535\u5bb9\u6ee4\u6ce2\u4ee5\u540e\uff0c\u6574\u6d41\u540e\u7684\u6b63\u5f26\u6ce2\u57fa\u672c\u4e0a\u88ab\u5e73\u6ed1\u6210\u4e3a\u63a5\u8fd1\u76f4\u6d41\u7684\u6ce2\u5f62\uff0c\u53ea\u6709\u5f88\u5c0f\u7684\u7eb9\u6ce2\uff0c\u800c\u4e14\u7535\u89e3\u7535\u5bb9\u7684\u5bb9\u91cf\u8d8a\u5927\uff0c\u7eb9\u6ce2\u5c31\u8d8a\u5c0f\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u95ea\u70c1\u5c31\u57fa\u672c\u4e0a\u5168\u90e8\u6d88\u9664\u4e86\u3002<\/p>\n

\n\t\u3000\u3000\u516d\u3001\u91c7\u7528\u7535\u89e3\u7535\u5bb9\u7684“\u7f3a\u70b9”-PF\u4f4e<\/strong><\/p>\n

\n\t\u3000\u3000\u4e3a\u4ec0\u4e48\u8fd9\u4e2a“\u7f3a\u70b9”\u8981\u5e26\u4e0a\u5f15\u53f7\u5462?\u56e0\u4e3a\u8fd9\u4e2a\u6d4b\u8bd5\u7ed3\u679c\u662f\u7528\u5e02\u9762\u4e0a\u6709\u95ee\u9898\u7684\u529f\u7387\u56e0\u6570\u8ba1\u6d4b\u51fa\u6765\u7684!\u800c\u8fd9\u4e9b\u529f\u7387\u56e0\u6570\u8ba1\u7684\u6d4b\u8bd5\u7ed3\u679c\u662f\u5f88\u503c\u5f97\u6000\u7591\u7684\u3002<\/p>\n

\n\t\u3000\u3000\u4f8b\u5982\u6211\u4eec\u7528\u540c\u4e00\u4e2a\u6709\u7535\u89e3\u7535\u5bb9\u7684102W\u7684LED\u5149\u5f15\u64ce\u7cfb\u7edf\uff0c\u91c7\u7528\u4e0d\u540c\u7684\u6d4b\u8bd5\u4eea\u8868\u6d4b\u8bd5\u7684\u7ed3\u679c\u5982\u4e0b\uff1a\u91c7\u7528\u5e02\u9762\u4e0a\u5e38\u7528\u7684\u6570\u5b57\u5f0f\u529f\u7387\u56e0\u6570\u6d4b\u8bd5\u4eea\u6d4b\u5f97\u5668\u529f\u7387\u56e0\u6570\u4e3a0.6590\u3002\u53ef\u662f\u5982\u679c\u6211\u4eec\u91c7\u7528\u56fd\u5bb6CHNT\u8ba4\u5b9a\u7684Cosφ\u8ba1\u6765\u6d4b\u8bd5\u540c\u4e00\u4e2a\u7cfb\u7edf\uff0c\u5374\u53ef\u4ee5\u5f97\u5230PF=0.9\u7684\u7ed3\u679c\u3002\u53ef\u89c1\u8fd9\u79cd\u6570\u5b57\u5f0f\u529f\u7387\u56e0\u6570\u8ba1\u7684\u6d4b\u8bd5\u7ed3\u679c\u662f\u5f88\u6210\u95ee\u9898\u7684\u3002<\/p>\n

\n\t\u3000\u3000\u90a3\u4e48\u529f\u7387\u56e0\u6570\u5230\u5e95\u662f\u4ec0\u4e48\u5462?<\/p>\n

\n\t\u3000\u3000\u529f\u7387\u56e0\u6570\u672c\u6765\u662f\u7ebf\u6027\u4ea4\u6d41\u7535\u5de5\u7cfb\u7edf\u91cc\u7684cosφ\uff0c\u4e5f\u5c31\u662f\u7535\u538b\u6b63\u5f26\u6ce2\u548c\u7535\u6d41\u6b63\u5f26\u6ce2\u4e4b\u95f4\u7684\u5939\u89d2\u7684\u4f59\u5f26\u503c\uff0c\u5b83\u4ee3\u8868\u4e86\u548c\u7535\u538b\u4e0d\u540c\u76f8\u7684\u7535\u6d41\u6b63\u5f26\u6ce2\u6295\u5f71\u5230\u7535\u538b\u77e2\u91cf\u7684\u65b9\u5411\u4e0a\u3002\u6216\u8005\u8bf4\u662f\u7535\u6d41\u77e2\u91cf\u4e2d\u548c\u7535\u538b\u77e2\u91cf\u540c\u76f8\u7684\u5206\u91cf\u503c\u3002\u628a\u8fd9\u4e2a\u540c\u76f8\u503c\u548c\u7535\u538b\u76f8\u4e58\u5c31\u662f\u6709\u529f\u529f\u7387\u3002\u4e8c\u4e24\u4f4d\u4e00\u4e2a\u5206\u91cf\u548c\u7535\u538b\u77e2\u91cf\u76f8\u4e58\u5c31\u662f\u65e0\u529f\u529f\u7387\u3002\u5982\u679ccosφ=1\uff0c\u4e5f\u5c31\u662fPF=1\uff0c\u90a3\u65f6\u5019\u5c31\u6ca1\u6709\u65e0\u529f\u529f\u7387\u3002\u5728\u7ebf\u6027\u4ea4\u6d41\u7cfb\u7edf\u4e2d\u4e4b\u6240\u4ee5\u8981\u5b9a\u4e49\u4e00\u4e2acosφ\u4f5c\u4e3a\u529f\u7387\u56e0\u6570\uff0c\u5c31\u662f\u4e3a\u4e86\u80fd\u591f\u91c7\u7528\u53e6\u4e00\u4e2a\u76f8\u89d2\u76f8\u53cd\u7684\u5668\u4ef6\u6765\u8fdb\u884c\u8865\u507f\uff0c\u4f7f\u5176\u65e0\u529f\u529f\u7387\u4e3a\u96f6\u3002<\/p>\n

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