{"id":2934,"date":"2019-12-31T03:08:02","date_gmt":"2019-12-31T03:08:02","guid":{"rendered":""},"modified":"2019-12-31T11:08:20","modified_gmt":"2019-12-31T03:08:20","slug":"lcd%e9%9d%a2%e6%9d%bf%e7%9a%84led%e8%83%8c%e5%85%89%e9%a9%b1%e5%8a%a8%e6%96%b9%e6%a1%88%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2934","title":{"rendered":"LCD\u9762\u677f\u7684LED\u80cc\u5149\u9a71\u52a8\u65b9\u6848\u8bbe\u8ba1"},"content":{"rendered":"

\n\t\u76ee\u524d\uff0cLED<\/u>\u9a71\u52a8\u7684\u6280\u672f\u53d1\u5c55\uff0c\u5c06\u5448\u73b0\u5927\u529f\u7387\u5316\u3001\u9ad8\u53ef\u9760\u6027\u3001\u7efc\u5408\u6548\u7387\u4e0e\u529f\u8017\u4f18\u5316\u3001\u5177\u6709\u6210\u672c\u4f18\u52bf\u548c\u7efc\u5408\u6027\u4ef7\u6bd4\u63d0\u9ad8\u4ee5\u53ca\u9ad8\u96c6\u6210\u5ea6\u548c\u5c0f\u4f53\u79ef\u7684\u8d8b\u52bf\u3002LED\u4e3b\u8981\u7684\u6280\u672f\u6311\u6218\u5728\u4e8e\uff0c\u5982\u4f55\u771f\u6b63\u5b9e\u73b0LED\u7684\u957f\u5bff\u547d\uff1f\u5982\u4f55\u63d0\u9ad8\u7535\u6e90\u7684\u4f7f\u7528\u6548\u7387\u4e0eEMC<\/u>\u6297\u5e72\u6270\u80fd\u529b\uff1f\u4ee5\u53ca\u5982\u4f55\u83b7\u5f97\u5927\u529f\u7387\u4e0e\u53ef\u9760\u6027\uff1f<\/p>\n

\n\t\u5fb7\u4fe1\uff08EUTE<\/u>CH\uff09\u516c\u53f8\u4e2d\u56fd\u533aFAE\u7ecf\u7406\u5362\u4e16\u52c7\u8868\u793a\uff0c\u7531\u4e8eLED\u662f\u4f4e\u538b\u3001\u5927\u7535\u6d41<\/u>\u9a71\u52a8\u578b\u5668\u4ef6\uff0c\u5e94\u7528\u65f6\u4f1a\u4ea7\u751f\u5927\u91cf\u7684\u70ed\u91cf\uff0c\u5176\u5e94\u7528\u73af\u5883\u4e5f\u53d8\u5316\u591a\u6837\uff0c\u56e0\u6b64\uff0c\u5176\u9762\u4e34\u4ee5\u4e0b\u6280\u672f\u6311\u6218\uff1a\u4e3aLED\u9a71\u52a8\u63d0\u4f9b\u9ad8\u6548\u53ef\u9760\u7684\u7535\u6e90\u8f6c\u6362\u65b9\u6848\uff0c\u5982\u5c06TV\u4e2d\u7684AC-DC\u7535\u6e90\u8f6c\u6362\u4e0eLED\u9a71\u52a8\u6574\u4f53\u8003\u8651\uff0c\u63d0\u4f9b\u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848\uff1b\u4e3a\u4e86\u83b7\u5f97\u8f83\u9ad8\u7684\u7cfb\u7edf\u6548\u7387\u5e76\u89e3\u51b3\u6563\u70ed\u95ee\u9898\uff0c\u5fc5\u987b\u8981\u6c42\u4f4e\u5bfc\u901a\u7535\u963b<\/u>\uff0c\u4f46\u662fLED\u706f\u6761\u9700\u8981\u9ad8\u538b\u9a71\u52a8\uff0c\u9ad8\u7535\u538b\u3001\u4f4e\u5bfc\u901a\u7535\u963b\u4e0e\u6210\u672c\u4e4b\u95f4\u7684\u6298\u4e2d\u662f\u4e00\u4e2a\u6280\u672f\u8bfe\u9898\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u65e5\u6708\u6210\u516c\u53f8\u8463\u4e8b\u957f\u517c\u603b\u7ecf\u7406\u8d75\u4e00\u5c18\u6307\u51fa\uff0c\u57fa\u4e8eLED\u7684\u660e\u663e\u4f18\u52bf\u548c\u5e02\u573a\u5e94\u7528\u9762\u7684\u4e0d\u65ad\u6269\u5927\uff0c\u672a\u6765\u7684LED\u5e02\u573a\u5c06\u5448\u73b0\u4e24\u6bb5\u5f0f\u7684\u6210\u957f\u3002\u7b2c\u4e00\u9636\u6bb5\u662f\u6295\u8d44\u4e0e\u5546\u7528\uff0c\u5e74\u6210\u957f\u7387\u5728\u672a\u6765\u76843~5\u5e74\u5185\u7ef4\u6301\u572820~30%;\u7b2c\u4e8c\u9636\u6bb5\u662f\u57283\u5e74\u540e\u6210\u4e3a\u6d88\u8d39\u5fc5\u987b\u54c1\uff0c\u5176\u5e74\u589e\u957f\u7387\u5c06\u8fbe\u523050~80%.LED\u5e94\u7528\u5e02\u573a\u7684\u666e\u53ca\u5c06\u540c\u6b65\u5e26\u52a8LED\u9a71\u52a8\u7684\u7a33\u6b65\u548c\u9ad8\u901f\u589e\u957f\u3002<\/p>\n

\n\t\u4ed6\u8fdb\u800c\u8868\u793a\uff0c\u4e0d\u540c\u529f\u7387\u548c\u5e94\u7528\u7684LED\u9700\u8981\u4e13\u4e1a\u5bf9\u5e94\u7684LED\u9a71\u52a8\u6280\u672f\u3002\u4f8b\u5982\uff0cLED\u5c4f\u5e55\u548cLED\u80cc\u5149\uff0c\u9700\u8981\u7cbe\u51c6\u7684\u7535\u6d41\u548c\u65f6\u95f4\u63a7\u5236\u6280\u672f\u6765\u5b9e\u73b0\u4eae\u5ea6\u548c\u7070\u9636\u7279\u6027\uff0c\u9700\u8981\u9ad8\u6548\u7684\u7070\u5ea6\u548c\u8272\u5f69\u8c03\u5236\u6280\u672f\uff1b\u800cLED\u8f66\u706f\u5219\u4fa7\u91cd\u4e8e\u5feb\u901f\u70b9\u4eae\u3001\u66f4\u4e25\u683c\u7684\u5149\u8870\u63a7\u5236\u3001\u5927\u529f\u7387\u53ef\u9760\u6027\u548c\u8272\u6e29\u63a7\u5236\u6280\u672f\uff0c\u4f7f\u7528\u73af\u5883\u66f4\u4e3a\u6076\u52a3\u3002<\/p>\n

\n\t\u5362\u4e16\u52c7\u8ba4\u4e3a\uff0cLED\u4e3b\u8981\u5e94\u7528\u5e02\u573a\u662f\u7167\u660e\u548c\u80cc\u5149\u3002\u968f\u7740\u9ad8\u4eae\u5ea6LED\u7684\u5546\u4e1a\u5316\u4ee5\u53caLED\u5355\u4ef7\u6301\u7eed\u4e0b\u964d\uff0cLED\u5728\u7167\u660e\u548c\u80cc\u5149\u4e0a\u7684\u5e94\u7528\u666e\u53ca\u52a0\u901f\uff0c\u56e0\u6b64\uff0c\u5e02\u573a\u5bf9LED\u9a71\u52a8IC\u7684\u9700\u6c42\u91cf\u4e5f\u8d8a\u6765\u8d8a\u5927\u3002EUTECH\u91cd\u70b9\u5173\u6ce8LED\u80cc\u5149\u5e02\u573a\uff08\u56fe1\uff09\uff0c\u4ea7\u54c1\u7ebf\u63d0\u4f9b\u4ece3.5\u5bf8\u667a\u80fd\u624b\u673a\u523046\u5bf8LCD TV\u8303\u56f4\u5185\u7684\u5404\u5c3a\u5bf8LCD\u9762\u677f\u7684LED\u80cc\u5149\u9a71\u52a8\u65b9\u6848\u3002LED\u9a71\u52a8\u6280\u672f\u4e0eAC-DC\u7535\u6e90\u6280\u672f\u76f8\u7ed3\u5408\uff0c\u63d0\u4f9b\u9ad8\u6548\u3001\u53ef\u9760\u7684\u6574\u4f53\u89e3\u51b3\u65b9\u6848\uff0c\u662f\u672a\u6765LED\u9a71\u52a8\u6280\u672f\u53d1\u5c55\u8d8b\u52bf\u3002<\/p>\n

\n\t\"LCD\u9762\u677f\u7684LED\u80cc\u5149\u9a71\u52a8\u65b9\u6848\u8bbe\u8ba1\"<\/p>\n

\n\t\u56fe1\uff1a\u767d\u5149LED\u9a71\u52a8\u5728LCD\u80cc\u5149\u4e0a\u7684\u5e94\u7528\u3002<\/p>\n

\n\tLED\u6309\u7167\u5e02\u573a\u5e94\u7528\u6765\u5206\uff0c\u4e3b\u8981\u5206\u4e3a\u8f66\u7528\u3001\u5efa\u7b51\u88c5\u9970\u7528DC\u7535\u6e90\u7167\u660e\uff0c\u5bb6\u5ead\/\u529e\u516c\u5ba4\u7528AC\u7535\u6e90\u7167\u660e\uff0c\u4ee5\u53ca\u6db2\u6676\u9762\u677f\u80cc\u5149\u706f\u6e90\u3002LED\u7684\u7535\u7279\u6027\u51b3\u5b9a\u5176\u9700\u8981\u6052\u7535\u6d41\u9a71\u52a8\uff0c\u4f46\u4e0d\u540c\u5e94\u7528\u9886\u57df\u5bf9LED\u9a71\u52a8IC\u7684\u8981\u6c42\u4fa7\u91cd\u70b9\u4e0d\u540c\u3002\u8f66\u7528DC\u7535\u6e90\u7167\u660e\u7740\u91cd\u4ea7\u54c1\u7a33\u5b9a\u6027\u3001\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\uff0c\u6bd4\u5982\u5728\u529f\u7387\u5668\u4ef6\u77ed\u8def<\/u>\u7684\u60c5\u51b5\u4e0b\u4e0d\u80fd\u635f\u574f\u6216\u8005\u4e0d\u5141\u8bb8\u5192\u70df\u8d77\u706b\u7b49\u3002\u5bb6\u5ead\/\u529e\u516c\u5ba4\u7528AC\u7535\u6e90\u7167\u660e\u5219\u7740\u91cdPF\u503c\u3001\u8f6c\u6362\u6548\u7387\u4ee5\u53ca\u7cfb\u7edf\u6210\u672c\u7b49\u3002\u6db2\u6676\u9762\u677f\u80cc\u5149\u5728\u8bbe\u8ba1\u4e0a\u4e3b\u8981\u8003\u8651\u591a\u8defLED\u706f\u6761\u4e4b\u95f4\u7684\u7535\u6d41\u5339\u914d\u3001PWM\u8c03\u5149\u7cbe\u5ea6\u4e0e\u7ebf\u6027\u5ea6\u3001LED\u77ed\u8def\/\u65ad\u8def<\/u>\u4fdd\u62a4\u3001\u529f\u7387\u5668\u4ef6\u77ed\u8def\u4fdd\u62a4\u3001\u8fc7\u70ed\/\u8fc7\u538b\/\u8fc7\u6d41\/\u6b20\u538b\u4fdd\u62a4\u7b49\u3002<\/p>\n

\n\t\u65e5\u6708\u6210\u9488\u5bf9LED\u9a71\u52a8\u7684\u6311\u6218\u91c7\u53d6\u4e86\u4ee5\u4e0b\u5bf9\u7b56\uff1a\u7cbe\u51c6\u9ad8\u6548\u7684\u4e13\u5229\u9a71\u52a8\u6280\u672f\uff1b\u5148\u8fdb\u7684PFC<\/u>\u548cEMI<\/u>\u7ba1\u7406\u6280\u672f\uff1b\u4ee5\u53ca\u4f18\u5f02\u7684\u8bbe\u8ba1\u4e0e\u5236\u9020<\/u>\u6280\u672f\u3002\u8d75\u4e00\u5c18\u5f3a\u8c03\uff0c\u76ee\u524d\uff0c\u6709\u8bb8\u591a\u7535\u6e90\u82af\u7247\u4f9b\u5e94\u5546\u52a0\u5165\u5230LED\u9a71\u52a8\u9886\u57df\uff0c\u800c\u4f7f\u5f97LED\u65b9\u6848\u767e\u5bb6\u4e89\u9e23\uff0c\u5404\u79cd\u65b9\u6848\u7ade\u4e89\u6fc0\u70c8\uff0c\u4f46\u662f\u57fa\u4e8e\u7535\u6e90\u7ba1\u7406<\/u>\u82af\u7247\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u90fd\u5b58\u5728\u7740\u4e00\u4e2a\u5171\u540c\u7684\u5f31\u70b9\uff0c\u5373\u7f3a\u4e4f\u5bf9LED\u7684\u771f\u6b63\u4e86\u89e3\u548c\u628a\u63e1\u3002\u65e5\u6708\u6210\u7684\u4f18\u52bf\u7279\u70b9\u5728\u4e8e\uff1a\u957f\u671f\u7684LED\u9a71\u52a8\u6280\u672f\u5f00\u53d1\u7ecf\u9a8c\u4e0e\u5927\u91cf\u7684\u5e02\u573a\u7ecf\u9a8c\u79ef\u7d2f\uff1b\u5728\u529f\u7387\u96c6\u6210\u4e0e\u4ea7\u54c1\u7efc\u5408\u6548\u7387\u4e0a\u72ec\u5177\u7279\u8272\uff1b\u5728EMI\u6280\u672f\u4e0a\u5f62\u6210\u7279\u70b9\uff1a\u6052\u6d41\u63a7\u5236\u4e0ePWM\u8c03\u5236\u6280\u672f\uff08\u56fe2\uff09\uff1b\u4ee5\u53ca\u9ad8\u53ef\u9760\u4e0e\u54c1\u8d28\u7ba1\u63a7\u3002<\/p>\n

\n\t\"LCD\u9762\u677f\u7684LED\u80cc\u5149\u9a71\u52a8\u65b9\u6848\u8bbe\u8ba1\"<\/p>\n

\n\t\u56fe2\uff1a\u5cf0\u503c\u7535\u6d41\u5355\u73af\u8def\u63a7\u5236PWM\u6a21\u5f0fLED\u9a71\u52a8\u82af\u7247\u3002<\/p>\n

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