{"id":91,"date":"2016-04-04T02:46:05","date_gmt":"2016-04-04T02:46:05","guid":{"rendered":""},"modified":"2016-04-04T10:46:24","modified_gmt":"2016-04-04T02:46:24","slug":"led%e7%94%b5%e6%ba%90%e7%9a%84%e5%9b%9b%e5%a4%a7%e4%bf%9d%e6%8a%a4%e7%94%b5%e8%b7%af","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=91","title":{"rendered":"LED\u7535\u6e90\u7684\u56db\u5927\u4fdd\u62a4\u7535\u8def"},"content":{"rendered":"

    \u8fd1\u5e74\u6765\uff0c\u968f\u7740<\/span>led<\/font><\/font>\u6280\u672f\u7684\u65e5\u8d8b\u6210\u719f\uff0c<\/span>LED\u5149\u6e90<\/font><\/font>\u56e0\u5176\u5177\u6709\u4f7f\u7528\u4f4e\u538b\u7535\u6e90\u3001\u8017\u80fd\u5c11\u3001\u9002\u7528\u6027\u5f3a\u3001\u7a33\u5b9a\u6027\u9ad8\u3001\u54cd\u5e94\u65f6\u95f4\u77ed\u3001\u591a\u8272\u53d1\u5149\u7b49\u7684\u4f18\u70b9\u88ab\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u5730\u4f7f\u7528\u3002<\/span>LED\u7535\u6e90<\/font><\/font>\u5927\u90fd\u91c7\u7528\u5f00\u5173\u7535\u6e90\u6280\u672f\uff0c\u8f93\u51fa\u591a\u4e3a\u53ef\u968fLED\u6b63\u5411\u538b\u964d\u503c\u53d8\u5316\u800c\u6539\u53d8\u7535\u538b\u7684\u6052\u5b9a\u7535\u6d41\u6e90\u5373\u6052\u6d41\u9a71\u52a8\u3002\u6839\u636eLED\u7684\u4f0f\u5b89\u7279\u6027\uff0c\u7535\u538b\u7684\u5fae\u5c0f\u53d8\u5316\u53ef\u5bfc\u81f4\u7535\u6d41\u7684\u5f88\u5927\u53d8\u5316\uff0c\u6709\u53ef\u80fd\u635f\u574fLED,\u4e14\u5f00\u5173\u7535\u6e90\u4e2d\u63a7\u5236\u7535\u8def\u6bd4\u8f83\u590d\u6742\uff0c\u6676\u4f53\u7ba1\u548c\u96c6\u6210\u5668\u4ef6\u8010\u53d7\u7535\u3001\u70ed\u51b2\u51fb\u7684\u80fd\u529b\u8f83\u5dee\u3002\u56e0\u6b64\u9a71\u52a8\u7535\u6e90\u7684\u53ef\u9760\u6027\u5f71\u54cd\u4e86LED\u5e94\u7528\u4ea7\u54c1\u7684\u5bff\u547d\uff0c\u4e3a\u4e86\u4fdd\u62a4\u5f00\u5173\u7535\u6e90\u81ea\u8eab\u548c\u8d1f\u8f7d\u7684\u5b89\u5168\uff0c\u5ef6\u957f\u4f7f\u7528\u5bff\u547d\uff0c\u5fc5\u987b\u8bbe\u8ba1\u5b89\u5168\u53ef\u9760\u7684\u4fdd\u62a4\u7535\u8def\u3002<\/span><\/p>\n

\n\t\u3000\u30001. \u76f4\u901a\u4fdd\u62a4\u7535\u8def<\/strong><\/p>\n

\n\t\u3000\u3000\u534a\u6865\u548c\u5168\u6865\u662f\u5f00\u5173\u7535\u6e90\u5e38\u7528\u7684\u62d3\u6251\u7ed3\u6784\uff0c“\u76f4\u901a”\u5bf9\u5176\u6709\u5f88\u5927\u7684\u5a01\u80c1\uff0c\u76f4\u901a\u662f\u540c\u4e00\u6865\u81c2\u4e24\u53ea\u6676\u4f53\u7ba1\u5728\u540c\u4e00\u65f6\u95f4\u5185\u540c\u65f6\u5bfc\u901a\u7684\u73b0\u8c61\u3002\u5728\u6362\u6d41\u671f\uff0c\u5f00\u5173\u7535\u6e90\u6613\u53d7\u5e72\u6270\u800c\u9020\u6210\u76f4\u901a\uff0c\u8fc7\u5927\u7684\u76f4\u901a\u7535\u6d41\u4f1a\u635f\u574f\u7528\u4e8e\u9006\u53d8\u7684\u7535\u529b\u7535\u5b50\u5668\u4ef6\u3002\u4e00\u65e6\u51fa\u73b0\u76f4\u901a\u73b0\u8c61\uff0c\u987b\u5c3d\u5feb\u68c0\u6d4b\u5230\u5e76\u7acb\u5373\u5173\u65ad\u9a71\u52a8\uff0c\u4ee5\u907f\u514d\u5f00\u5173\u5668\u4ef6\u7684PN\u7ed3\u79ef\u7d2f\u8fc7\u5927\u7684\u70ed\u91cf\u800c\u70e7\u574f\u3002\u8fd9\u91cc\u5229\u7528\u53cc\u5355\u7a33\u6001\u96c6\u6210\u89e6\u53d1\u5668CD4528\u8bbe\u8ba1\u4e86\u4e00\u79cd\u9488\u5bf9\u5168\u6865\u548c\u534a\u6865\u7684\u76f4\u901a\u68c0\u6d4b\u3001\u4fdd\u62a4\u7535\u8def\u3002<\/p>\n

\n\t\u3000\u3000CD4528\u542b\u4e24\u4e2a\u5355\u7a33\u6001\u89e6\u53d1\u5668\uff0c\u5176\u771f\u503c\u8868\u5982\u56fe1.\u82af\u72473\u811a\u4e0e13\u811a\u5206\u522b\u4e3a\u5176\u5185\u90e8\u4e24\u4e2a\u72ec\u7acb\u5355\u7a33\u6001\u7535\u8def\u7684Clear\u7aef\uff0c5\u811a\u548c11\u811a\u4e3a\u5355\u7a33\u6001\u7684B\u8f93\u5165\u7aef\uff0c4\u811a\u4e0e12\u811a\u4e3a\u5355\u7a33\u6001\u7684A\u8f93\u5165\u7aef\u3002B\u7aef\u63a5\u9ad8\u7535\u5e73\uff0c\u53ea\u6709\u5f53Clear\u7aef\u4e3a\u9ad8\u7535\u5e73\u65f6\uff0cA\u7aef\u8f93\u5165\u7684\u4e0a\u5347\u6cbf\u89e6\u53d1\u624d\u4f1a\u6709\u6548\u3002<\/p>\n

\n\t

\n\t\u3000\u3000<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000PWM1\u4e0ePWM2\u4e3aPWM\u82af\u7247\u8f93\u51fa\u7684\u4e24\u8def\u4e92\u8865\u8109\u51b2\u4fe1\u53f7\uff0c\u4e3b\u7535\u8def\uff08\u89c1\u56fe2\uff09\u4e2dQ1\u3001Q4\u7684\u9a71\u52a8\u4e0e\u56fe3\u4e2dPWM1\u540c\u6b65\uff0cQ2\u3001Q3\u7684\u9a71\u52a8\u4e0ePWM2\u540c\u6b65\u3002\u5728A\u3001B\u3001C\u548cD4\u70b9\u8fdb\u884c\u7535\u6d41\u4e0a\u5347\u7387\u91c7\u6837\u7136\u540e\u8f6c\u53d8\u4e3a\u7535\u538b\u4fe1\u53f7\uff0c\u5e76\u5206\u522b\u7ed9\u56fe3\u4e2d\u7684\u76f4\u901a\u4fe1\u53f71\u4e0e\u76f4\u901a\u4fe1\u53f72.<\/p>\n

\n\t

\n\t\u3000\u3000<\/p>\n

\n\t\u3000\u3000\u4e3b\u7535\u8def\u4e2d\u7684\u5de6\u53f3\u6865\u81c2\u5bf9\u79f0\uff0c\u5c31\u5de6\u6865\u81c2\u7684\u76f4\u901a\u4fdd\u62a4\u8fdb\u884c\u5206\u6790\u3002\u6b63\u5e38\u72b6\u6001\u4e0b\uff0c\u5f53Q1\u3001Q4\u5bfc\u901a\u65f6\uff0cPWM1\u4e3a\u9ad8\u7535\u5e73\uff0cPWM2\u4e3a\u4f4e\u7535\u5e73\uff0c3\u811a\u9ad8\u7535\u5e73\u8f93\u5165\u6709\u6548\uff0cA\u70b9\u548cD\u70b9\u6ca1\u6709\u7535\u6d41\u6d41\u8fc7\uff0c\u4e0d\u4f1a\u89e6\u53d1\u5355\u7a33\u6001\uff1b\u867d\u7136B\u70b9\u548cC\u70b9\u91c7\u5230\u4e86\u6b63\u5e38\u8f93\u51fa\u7684\u4e0a\u5347\u6cbf\u4fe1\u53f7\uff0c\u4f46\u662f13\u811a\u4f4e\u7535\u5e73\u65f6\u8f93\u5165\u65e0\u6548\uff0c\u6240\u4ee5\u4e0d\u4f1a\u89e6\u53d1\u5355\u7a33\u6001\uff0c\u6ca1\u6709\u4fdd\u62a4\u4fe1\u53f7\u8f93\u51fa\uff1b\u800c\u5728\u76f4\u901a\u65f6\uff0cQ3\u7531\u4e8e\u67d0\u79cd\u539f\u56e0\u8bef\u5bfc\u901a\u4e86\uff0cA\u70b9\u5c06\u68c0\u6d4b\u5230\u5f88\u5927\u7684\u7535\u6d41\u4e0a\u5347\u7387\u5e76\u8f6c\u6362\u4e3a\u7535\u538b\u4fe1\u53f7\uff1b\u6b64\u65f6PWM1\u4e3a\u9ad8\u7535\u5e73\uff0c\u56fe3\u4e2d\u5de6\u8fb9\u7684\u5355\u7a33\u6001\u88ab\u89e6\u53d1\u4ea7\u751f\u4fdd\u62a4\u4fe1\u53f7\u9001\u5230PWM \u82af\u7247\u7684shutdow n \u7aef\uff0c\u5c01\u9501PWM \u8109\u51b2\u8f93\u51fa\u3002<\/p>\n

\n\t\u3000\u30002 \u8fc7\u6d41\u4fdd\u62a4\u7535\u8def<\/strong><\/p>\n

\n\t\u3000\u3000\u5f53\u51fa\u73b0\u8d1f\u8f7d\u77ed\u8def\u3001\u8fc7\u8f7d\u6216\u8005\u63a7\u5236\u7535\u8def\u5931\u6548\u7b49\u610f\u5916\u60c5\u51b5\u65f6\uff0c\u4f1a\u5f15\u8d77\u6d41\u8fc7\u5f00\u5173\u7ba1\u7684\u7535\u6d41\u8fc7\u5927\uff0c\u4f7f\u7ba1\u5b50\u529f\u8017\u589e\u5927\u3001\u53d1\u70ed\uff0c\u82e5\u6ca1\u6709\u8fc7\u6d41\u4fdd\u62a4\u88c5\u7f6e\uff0c\u5927\u529f\u7387\u5f00\u5173\u7ba1\u5c31\u53ef\u80fd\u635f\u574f\uff1b \u8c03\u8282\u7535\u8def\u5931\u6548\u8fd8\u53ef\u80fd\u5bfc\u81f4LED\u8fc7\u6d41\u635f\u574f\u3002 \u8fc7\u6d41\u4fdd\u62a4\u4e00\u822c\u901a\u8fc7\u53d6\u6837\u7535\u963b\u6216\u970d\u5c14\u4f20\u611f\u5668\u7b49\u6765\u68c0\u6d4b\u3001\u6bd4\u8f83\uff0c\u4ece\u800c\u5b9e\u73b0\u4fdd\u62a4\uff0c\u4f46\u5b83\u4eec\u90fd\u6709\u4f53\u79ef\u5927\u548c\u6210\u672c\u9ad8\u7684\u7f3a\u70b9\u3002<\/p>\n

\n\t\u3000\u3000\u8fd9\u91cc\u91c7\u7528\u5982\u56fe4\u7684\u65b9\u6cd5\uff0c\u5728\u6b63\u6fc0\u53d8\u6362\u5668\u627c\u6d41\u5708\u653e\u7f6e\u76f8\u540c\u531d\u6570\u7684\u7ebf\u5f84\u8f83\u7ec6\u7684\u7ebf\u5708\u3002 \u8fd9\u4e24\u4e2a\u7ed5\u7ec4\u662f\u78c1\u5e73\u8861\u7684\uff0c\u5b83\u4eec\u4e4b\u95f4\u672c\u5e94\u6ca1\u6709\u7535\u538b\u5dee\u3002 \u4f46\u662f\u4e3b\u7ed5\u7ec4\u6709\u76f4\u6d41\u7535\u963b\uff0c\u5927\u7535\u6d41\u65f6\u4ea7\u751f\u4e86\u5fae\u5c0f\u7684\u7535\u538b\u5dee\uff0c\u8be5\u7535\u538b\u5dee\u7531\u8d1f\u8f7d\u7535\u6d41\u51b3\u5b9a\u3002\u8fd9\u4e2a\u5fae\u5c0f\u7684\u7535\u538b\u5dee\u88ab\u8fd0\u653e\u68c0\u6d4b\uff0c\u5e76\u4e14\u901a\u8fc7\u8c03\u8282Rx\u53ef\u4ee5\u8bbe\u7f6e\u7535\u6d41\u9650\u5236\u3002\u8be5\u7535\u8def\u7684\u7f3a\u70b9\u662f\u7535\u6d41\u9650\u5236\u4e0d\u662f\u5f88\u7cbe\u7ec6\u7684\uff0c\u8fd9\u662f\u56e0\u4e3a\u94dc\u7535\u963b\u5728\u6e29\u5ea6\u6bcf\u4e0a\u534710\u2103\u65f6\u589e\u52a04%.\u4f46\u662f\u8fd9\u4e2a\u7535\u8def\u4f9d\u7136\u53ef\u4ee5\u6ee1\u8db3\u6211\u4eec\u7684\u8bbe\u8ba1\u8981\u6c42\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u30003.\u5f00\u3001\u5173\u673a\u7535\u6d41\u8fc7\u51b2\u4fdd\u62a4\u7535\u8def<\/strong><\/p>\n

\n\t\u3000\u3000\u7a33\u6d41\u578b\u5f00\u5173\u7535\u6e90\u5728\u5f00\u673a\u548c\u5173\u673a\u65f6\u5bb9\u6613\u9020\u6210\u7535\u6d41\u8fc7\u51b2\uff0cLED\u4e4b\u7c7b\u7684\u8d1f\u8f7d\u5bf9ms\u7ea7\u7684\u7535\u6d41\u8fc7\u51b2\u90fd\u662f\u4e0d\u5141\u8bb8\u7684\uff0c\u77ac\u95f4\u5927\u7535\u6d41\u7684\u51b2\u51fb\u6709\u53ef\u80fd\u635f\u574fLED\u5668\u4ef6\uff0c\u56e0\u6b64\u5fc5\u987b\u4e25\u683c\u9632\u6b62\u7535\u6d41\u8fc7\u51b2\u3002<\/p>\n

\n\t\u3000\u30003.1\u5f00\u673a\u7535\u6d41\u8fc7\u51b2\u4fdd\u62a4<\/p>\n

\n\t\u3000\u3000\u5f00\u673a\u65f6\uff0c\u7531\u4e8e\u7535\u6e90\u6ee4\u6ce2\u7535\u5bb9\u5927\uff0c\u4ee5\u53ca\u5404\u5ef6\u8fdf\u73af\u8282\u4f7f\u5f97\u7535\u6d41\u91c7\u6837\u53cd\u9988\u503c\u4e0e\u7ed9\u5b9a\u503c\u5728\u8c03\u8282\u5668\u8f93\u5165\u7aef\u4e0d\u540c\uff0c\u8fd9\u4f1a\u4f7f\u5f97\u8d1f\u8f7d\u7535\u6d41\u4e0a\u5347\u8fc7\u51b2\uff0c\u5b9e\u6d4b\u8fc7\u51b2\u6ce2\u5f62\u5982\u56fe5\u6240\u793a\u3002 \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u53ef\u4ee5\u5c06\u8c03\u8282\u5668\u7ed9\u5b9a\u7aefRC \u7684\u503c\u9002\u5f53\u52a0\u5927\uff0c\u8c03\u8282\u4ee5\u540e\u7684\u5f00\u673a\u7535\u6d41\u6ca1\u6709\u53d1\u751f\u8fc7\u51b2\uff0c\u6ce2\u5f62\u5982\u56fe6.<\/p>\n

\n\t <\/p>\n

\n\t<\/p>\n

\n\t <\/p>\n

\n\t<\/p>\n

\n\t\u3000\u30003.2 \u5173\u673a\u7535\u6d41\u8fc7\u51b2\u4fdd\u62a4<\/p>\n

\n\t\u3000\u3000\u5728\u6211\u4eec\u8bbe\u8ba1\u768430A\/20V\u5f00\u5173\u578b\u7a33\u6d41\u7535\u6e90\u4e2d\uff0c\u91c7\u7528\u63a7\u5236\u7535\u8def\u5355\u72ec\u4f9b\u7535\u3002\u4e3b\u7535\u8def\u7684\u6ee4\u6ce2\u7535\u5bb9\u5728\u5de5\u4f5c\u65f6\u5b58\u50a8\u4e86\u5927\u91cf\u7684\u7535\u80fd\uff0c\u5207\u65ad\u603b\u7535\u6e90\u540e\uff0c\u5176\u4e2d\u5b58\u50a8\u7684\u7535\u8377\u6301\u7eed\u6570\u79d2\u624d\u80fd\u653e\u5b8c\u3002 \u6240\u4ee5\u5173\u673a\u540e\u5355\u72ec\u4f9b\u7535\u7684\u91c7\u6837\u7535\u8def\u5148\u5173\u800c\u4e3b\u7535\u8def\u5ef6\u8fdf\u5173\u95ed\u3002\u8c03\u8282\u5668\u7684\u7ed9\u5b9a\u8f93\u5165\u7aef\u7531\u4e3b\u7535\u8def\u4f9b\u7535\uff0c\u5373\u5173\u673a\u540e\u8c03\u8282\u5668\u7684\u91c7\u6837\u8f93\u5165\u7aef\u5148\u964d\u4f4e\uff0c\u7ed9\u5b9a\u7aef\u7f13\u6162\u964d\u4f4e\uff0c\u4e8e\u662f\u5176\u8f93\u51fa\u8bef\u5dee\u7535\u538b\u589e\u5927\uff0c\u63a7\u5236\u82af\u7247\u589e\u52a0PWM \u7684\u5360\u7a7a\u6bd4\uff0c\u7531\u6b64\u5bfc\u81f4\u4e86\u5173\u673a\u65f6\u8d1f\u8f7d\u7535\u6d41\u7684\u4e25\u91cd\u8fc7\u51b2\uff0c\u8fc7\u51b2\u65f6\u7684\u7535\u6d41\u6ce2\u5f62\u5982\u56fe7\u6240\u793a\u3002<\/p>\n

\n\t <\/p>\n

\n\t<\/p>\n

\n\t <\/p>\n

\n\t\u3000\u3000\u56fe8 \u4e3a\u5173\u673a\u7535\u6d41\u8fc7\u51b2\u4fdd\u62a4\u7535\u8def\uff0c\u8be5\u7535\u8def\u80fd\u57283ms\u5185\u8fc5\u901f\u68c0\u6d4b\u51fa\u4ea4\u6d41\u7535\u6e90\u662f\u5426\u5173\u95ed\uff0c\u5e76\u4e14\u5728\u7535\u6e90\u5173\u95ed\u540e\u5f3a\u884c\u5c06\u8c03\u8282\u5668\u7ed9\u5b9a\u8f93\u5165\u7aef\u7684\u7535\u538b\u62c9\u4f4e\uff0c\u9632\u6b62\u7535\u6d41\u8fc7\u51b2\uff0c\u5177\u4f53\u52a8\u4f5c\u8fc7\u7a0b\u5982\u4e0b\u3002<\/p>\n

\n\t <\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u5149\u8026U1\u3001U 2 \u968f\u88ab\u6d4b\u7535\u6e90\u7684\u6b63\u8d1f\u534a\u5468\u4ea4\u66ff\u5bfc\u901a\uff0c\u5f53A \u70b9\u4ea4\u6d41\u7535\u538b\u5927\u4e8e\u5149\u8026\u4e2d\u53d1\u5149\u4e8c\u6781\u7ba1<\/font><\/font>\u7684\u5bfc\u901a\u7535\u538bVon\u65f6\uff0c\u5149\u8026\u5f00\u542f\uff0cC3\u901a\u8fc7\u5149\u8026\u4e2d\u4e09\u6781\u7ba1\u653e\u7535\uff0c\u4f7fB \u70b9\u7684\u7535\u538b\u8fbe\u4e0d\u5230\u573a\u6548\u5e94\u7ba1\u7684\u5f00\u542f\u7535\u538b\uff1b \u5f53\u4ea4\u6d41\u7535\u538b\u5c0f\u4e8eVon\u65f6\uff0c\u5149\u8026\u4e0d\u5bfc\u901a\uff0cC3\u5145\u7535\uff0cB\u70b9\u7684\u7535\u538b\u589e\u52a0\uff0c\u6b64\u65f6\u5e94\u4f7fC3\u7684\u7535\u538b\u4e0a\u5347\u5230\u573a\u6548\u5e94\u7ba1\u9608\u503c\u7684\u65f6\u95f4\u5927\u4e8e\u5149\u8026\u5173\u95ed\u7684\u65f6\u95f4\uff0c\u4ee5\u4fdd\u8bc1Q2\u4e0d\u5bfc\u901a\u3002 \u5728t1\u65f6\u523b\u4ea4\u6d41\u7535\u6e90\u65ad\u5f00\uff0c\u5149\u8026\u8f93\u51fa\u5448\u9ad8\u963b\u6001\uff0cC2\u4e2d\u5b58\u50a8\u7684\u7535\u8377\u7ecfR1\u5411C3\u5145\u7535\uff0cC3\u4e0a\u7684\u7535\u538b\u8fc5\u901f\u589e\u52a0\uff0c\u5f53B\u70b9\u7535\u538b\u5927\u4e8e\u573a\u6548\u5e94\u7ba1\u7684\u5f00\u542f\u7535\u538b\u65f6\uff0c\u573a\u6548\u5e94\u7ba1Q2\u5bfc\u901a\uff0c\u5bfc\u901a\u540e\u53ef\u8fc5\u901f\u5c06Vs \u62c9\u4f4e\uff0c\u56fe8\u4e2dVs\u662f\u8c03\u8282\u5668\u7684\u7ed9\u5b9a\u8f93\u5165\u7aef\u7535\u538b\u3002 \u5173\u673a\u77ac\u95f4\u8d1f\u8f7d\u7535\u6d41\u548c\u56fe8\u4e2dB\u70b9\u7684\u6ce2\u5f62\u5982\u56fe9.\u6539\u53d8R1\u548cR4\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u6539\u53d8\u7ed9C3\u5145\u7535\u7684\u65f6\u95f4\u3002 R4\u9009\u7528\u8f83\u5927\u963b\u503c\u7684\uff0c\u53ef\u4ee5\u63d0\u9ad8C3\u4e0a\u7684\u7535\u538b\uff0c\u540c\u65f6\u5ef6\u957fC3\u7684\u653e\u7535\u65f6\u95f4\u3002 C2\u7684\u5927\u5c0f\u53ef\u4ee5\u51b3\u5b9a\u4ea4\u6d41\u7535\u6e90\u65ad\u7535\u540e\u7ef4\u6301\u8be5\u7535\u8def\u5de5\u4f5c\u7684\u65f6\u95f4\u3002 \u7efc\u4e0a\u6240\u8ff0\uff0c\u8bbe\u7f6e\u5408\u7406\u7684\u53c2\u6570\uff0c\u4fbf\u53ef\u4fdd\u8bc1\u5728\u4e3b\u7535\u8def\u7535\u6e90\u6ca1\u6709\u5b8c\u5168\u5173\u95ed\u7684\u60c5\u51b5\u4e0b\uff0cQ2\u4e00\u76f4\u5bfc\u901a\uff0c\u5373\u8bef\u5dee\u653e\u5927\u5668\u7684\u7ed9\u5b9a\u8f93\u5165\u7aef\u4e00\u76f4\u4e3a\u96f6\uff0c\u907f\u514d\u4e86\u7535\u6d41\u8fc7\u51b2\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u30004.\u8fc7\u538b\u4fdd\u62a4\u7535\u8def<\/strong><\/p>\n

\n\t

\n\t\u3000\u3000\u7a33\u6d41\u578b\u7535\u6e90\u82e5\u8d1f\u8f7d\u53d1\u751f\u65ad\u8def\uff0c\u7535\u6d41\u68c0\u6d4b\u7535\u963b\u4e24\u7aef\u7684\u7535\u538b\u4e0b\u964d\u5230\u96f6\uff0c\u4e00\u65e6\u7ed9\u5b9a\u503c\u4e0d\u4e3a\u96f6\uff0c\u8c03\u8282\u5668\u4f1a\u4f7f\u5f97\u8f93\u51fa\u7535\u538b\u6025\u5267\u98d9\u5347\u81f3\u6700\u5927\u503c\uff0c\u8fd9\u5bf9\u8d1f\u8f7d\u8fde\u63a5\u63a5\u89e6\u4e0d\u826f\u65f6\u662f\u5f88\u5371\u9669\u7684\u3002 \u5bf9LED\u3001\u534a\u5bfc\u4f53\u5236\u51b7\u7b49\u8d1f\u8f7d\u6765\u8bf4\uff0c\u8fc7\u538b\u53d1\u751f\u65f6\uff0c\u9996\u8981\u4efb\u52a1\u662f\u4fdd\u62a4\u8d1f\u8f7d\uff0c\u5176\u6b21\u662f\u4fdd\u62a4\u5f00\u5173\u529f\u7387\u7ba1\u3002<\/p>\n

\n\t

\n\t\u3000\u3000\u4e3a\u89e3\u51b3\u4ee5\u4e0a\u95ee\u9898\uff0c\u6709\u4e24\u79cd\u4fdd\u62a4\u65b9\u6cd5\u540c\u65f6\u4f7f\u7528\uff0c\u4e00\u662f\u653e\u7f6e\u53cc\u5411TVS\u6765\u5b9e\u73b0\u5bf9\u77ac\u95f4\u51b2\u51fb\u7535\u538b\u7684\u9632\u62a4\u3002<\/p>\n

\n\t

\n\t\u3000\u3000TVS\u662f\u4e00\u79cd\u4e8c\u6781\u7ba1\u5f62\u5f0f\u7684\u9ad8\u6548\u80fd\u4fdd\u62a4\u5668\u4ef6\u3002\u5f53TVS\u4e8c\u6781\u7ba1\u7684\u4e24\u6781\u53d7\u5230\u53cd\u5411\u77ac\u6001\u9ad8\u80fd\u91cf\u51b2\u51fb\u65f6\uff0c\u5b83\u80fd\u4ee5\u7eb3\u79d2\u7ea7\u7684\u901f\u5ea6\uff0c\u5c06\u5176\u4e24\u6781\u95f4\u7684\u9ad8\u963b\u6297\u53d8\u4e3a\u4f4e\u963b\u6297\uff0c\u5438\u6536\u9ad8\u8fbe\u6570\u5343\u74e6\u7684\u6d6a\u6d8c\u529f\u7387\uff0c\u4f7f\u4e24\u6781\u95f4\u7684\u7535\u538b\u7b9d\u4f4d\u4e8e\u4e00\u4e2a\u9884\u5b9a\u503c\uff0c\u6709\u6548\u5730\u4fdd\u62a4\u7535\u5b50\u7ebf\u8def\u4e2d\u7684\u5143\u5668\u4ef6\u514d\u53d7\u5404\u79cd\u6d6a\u6d8c\u8109\u51b2\u635f\u574f\u3002 \u8fd8\u53ef\u5c06\u7535\u963b\u4e0eTVS\u4e32\u8054\uff0c\u5f53TVS\u672a\u51fb\u7a7f\u65f6\uff0c\u7535\u963b\u4e0a\u6ca1\u6709\u7535\u6d41\uff0c\u82e5\u53d1\u751f\u8fc7\u538b\uff0cTVS\u88ab\u51fb\u7a7f\uff0c\u7535\u963b\u4e0a\u6709\u7535\u6d41\u6d41\u8fc7\uff0c\u4ea7\u751f\u538b\u964d\uff0c\u4ee5\u6b64\u4f5c\u4e3a\u4fdd\u62a4\u4fe1\u53f7\uff0c\u9001\u5230PWM \u82af\u7247\u7684shutdown \u7aef\uff0c\u5c01\u9501PWM\u8109\u51b2\u8f93\u51fa\u3002 \u53e6\u5916\u4e00\u79cd\u65b9\u6cd5\u662f\u5f53\u8d1f\u8f7d\u65ad\u8def\u65f6\u4f7f\u7535\u6e90\u7acb\u5373\u505c\u6b62\u5de5\u4f5c\uff0c\u5982\u56fe10\u6240\u793a\uff0c\u56fe\u4e2dR24\u548cR27\u7ed9\u8fd0\u653e\u540c\u76f8\u8f93\u5165\u7aef\u63d0\u4f9b\u56fa\u5b9a\u7684\u5c0f\u7535\u538bU+.R26\u4e3a\u53d6\u6837\u7684\u8d1f\u8f7d\u7535\u6d41\u8f93\u5165\uff0c\u5f53\u8d1f\u8f7d\u53d1\u751f\u65ad\u8def\u65f6\uff0c\u8fd0\u653e\u53cd\u76f8\u8f93\u5165\u7aef\u7535\u538bU-=0, \u56e0\u800cU+>U-, \u8fd0\u653e\u8f93\u51fa\u7535\u538b\u4e3a\u9ad8\u7535\u5e73\uff0c\u7ed9\u51fa\u7a7a\u8f7d\u4fdd\u62a4\u4fe1\u53f7\u3002 \u540c\u65f6\u5c06\u65f6\u95f4\u5e38\u6570R30×C15\u4e0e\u7535\u6e90\u7ed9\u5b9a\u7684\u65f6\u95f4\u5e38\u6570\u914d\u5408\u8c03\u8282\uff0c\u4f7f\u5f97\u7a7a\u8f7d\u4fdd\u62a4\u4e0d\u53d1\u751f\u8bef\u52a8\u4f5c\u3002<\/p>\n

\n\t\u3000\u3000\u7ed3\u8bed<\/strong><\/p>\n

\n\t\u3000\u3000\u6587\u4e2d\u4e3b\u8981\u8ba8\u8bba\u4e86LED\u7535\u6e90\u7684\u51e0\u79cd\u4fdd\u62a4\u65b9\u5f0f\uff0c\u5e76\u4ecb\u7ecd\u4e86\u4e00\u4e9b\u5177\u4f53\u7535\u8def\u3002 \u5bf9\u4e00\u4e2a\u7ed9\u5b9a\u7684\u76f4\u6d41\u5f00\u5173\u7535\u6e90\u6765\u8bf4\uff0c\u4fdd\u62a4\u7535\u8def\u662f\u5426\u5b8c\u5584\u5e76\u6309\u9884\u5b9a\u8bbe\u7f6e\u5de5\u4f5c\uff0c\u5bf9\u7535\u6e90\u88c5\u7f6e\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002 \u800c\u7535\u6e90\u7684\u53ef\u9760\u6027\u5c06\u4f1a\u5f71\u54cd\u5230LED\u4ea7\u54c1<\/font><\/font>\u7684\u5bff\u547d\uff0c\u56e0\u6b64\u901a\u5e38\u9700\u8981\u7528\u51e0\u79cd\u4fdd\u62a4\u65b9\u5f0f\u52a0\u4ee5\u7ec4\u5408\u6765\u6784\u6210\u5b8c\u5584\u7684\u4fdd\u62a4\u7cfb\u7edf\uff0c\u786e\u4fdd\u76f4\u6d41\u5f00\u5173\u7535\u6e90\u7684\u6b63\u5e38\u5de5\u4f5c\u3002 \u6211\u4eec\u5c06\u8fd9\u4e9b\u63aa\u65bd\u5b9e\u9645\u7528\u4e8e\u9a71\u52a8LED\u8d1f\u8f7d\uff0c\u5de5\u4f5c\u5b89\u5168\u53ef\u9760\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u8fd1\u5e74\u6765\uff0c\u968f\u7740 led \u6280\u672f\u7684\u65e5\u8d8b\u6210\u719f\uff0c LED\u5149\u6e90 \u56e0\u5176\u5177\u6709\u4f7f\u7528\u4f4e\u538b\u7535\u6e90\u3001\u8017\u80fd\u5c11\u3001\u9002\u7528\u6027\u5f3a\u3001\u7a33\u5b9a\u6027\u9ad8\u3001\u54cd\u5e94\u65f6\u95f4\u77ed\u3001\u591a\u8272\u53d1\u5149\u7b49\u7684\u4f18\u70b9\u88ab\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u5730\u4f7f\u7528\u3002 LED\u7535\u6e90 \u5927\u90fd\u91c7\u7528\u5f00\u5173\u7535\u6e90\u6280<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/91"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=91"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/91\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=91"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=91"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=91"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}