{"id":4922,"date":"2021-10-22T09:43:25","date_gmt":"2021-10-22T01:43:25","guid":{"rendered":"http:\/\/www.szryc.com\/?p=4922"},"modified":"2021-10-22T09:46:58","modified_gmt":"2021-10-22T01:46:58","slug":"%e5%b0%8f%e5%9e%8b%e5%a4%aa%e9%98%b3%e8%83%bd%e5%85%89%e4%bc%8f%e7%94%b5%e6%ba%90%e7%9a%84%e4%b8%b2%e8%81%94%e4%bb%a5%e5%8f%8a%e5%b9%b6%e8%81%94%e7%ba%bf%e6%80%a7%e7%a8%b3%e5%8e%8b","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=4922","title":{"rendered":"\u5c0f\u578b\u592a\u9633\u80fd\u5149\u4f0f\u7535\u6e90\u7684\u4e32\u8054\u4ee5\u53ca\u5e76\u8054\u7ebf\u6027\u7a33\u538b"},"content":{"rendered":"<p>\u592a\u9633\u80fd\u5149\u4f0f\u9635\u5217\u4f3c\u4e4e\u6bcf\u5929\u90fd\u53d8\u5f97\u66f4\u4fbf\u5b9c\u3001\u66f4\u9ad8\u6548\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4eec\u5728\u53ef\u518d\u751f\u548c\/\u6216\u8fdc\u7a0b\u4f9b\u7535\u5e94\u7528\u4e2d\u8d8a\u6765\u8d8a\u5b9e\u7528\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u4efb\u4f55\u7ed9\u5b9a\u9635\u5217\u4ea7\u751f\u7684\u7535\u538b\u968f\u8d1f\u8f7d\u3001\u5165\u5c04\u5149\u5f3a\u5ea6\u548c\u6e29\u5ea6\u800c\u663e\u7740\u53d8\u5316\uff0c\u56e0\u6b64\u901a\u5e38\u9700\u8981\u67d0\u79cd\u5f62\u5f0f\u7684\u8c03\u8282\u3002<\/p>\n<p>\u9635\u5217\u6027\u80fd\u53ef\u4ee5\u663e\u7740\u53d7\u76ca\u4e8e\u6700\u5927\u529f\u7387\u70b9\u8ddf\u8e2a (MPPT) \u548c<u>\u5f00\u5173<\/u>\u6a21\u5f0f\u8c03\u8282\uff0c\u5982\u65e9\u671f\u8bbe\u8ba1\u7406\u5ff5\u6240\u793a\uff1a\u592a\u9633\u80fd\u9635\u5217\u63a7\u5236\u5668\u4e0d\u9700\u8981\u4e58\u6cd5\u5668\u6765\u6700\u5927\u5316\u529f\u7387<\/p>\n<p>\u4f46\u5bf9\u4e8e\u5c0f\u578b\u9635\u5217\uff0cMPPT \u548c\u5f00\u5173\u6a21\u5f0f<u>\u7535\u8def<\/u>\u7684\u989d\u5916\u590d\u6742\u6027\u4f3c\u4e4e\u4e0d\u5408\u7406\uff0c\u56e0\u6b64\u7ebf\u6027\u8c03\u8282\u6210\u4e3a\u66f4\u7b80\u5355\u548c\u66f4\u597d\u7684\u9009\u62e9\u3002\u672c\u8bbe\u8ba1\u7406\u5ff5\u9488\u5bf9\u6b64\u7c7b\u7cfb\u7edf\uff0c\u91cd\u70b9\u5173\u6ce8\u4e32\u8054\u7a33\u538b\u5668\u62d3\u6251\u4e0e\u5e76\u8054\u7a33\u538b\u5668\u62d3\u6251\u7684\u76f8\u5bf9\u4f18\u52bf\u3002<\/p>\n<p>\u7528\u60a8\u72ec\u7279\u7684\u8bbe\u8ba1\u8ba9\u5de5\u7a0b\u754c\u60ca\u53f9\uff1a \u8bbe\u8ba1\u7406\u5ff5\u63d0\u4ea4\u6307\u5357<\/p>\n<p>\u8ba9\u6211\u4eec\u4ece\u4e00\u4e2a\u5047\u8bbe\u7684\u5c0f\u578b<u>\u592a\u9633\u80fd\u7535\u6c60<\/u>\u9635\u5217\u5f00\u59cb\uff0c\u8be5\u9635\u5217\u9488\u5bf9 12W \u8f93\u51fa\uff08\u5728\u5b8c\u5168\u9633\u5149\u76f4\u5c04\u4e0b ~1kW\/m 2\uff09\u30011A \u548c 12V\u300120% \u7684\u5149\u7535\u8f6c\u6362\u6548\u7387\u8fdb\u884c\u4e86\u4f18\u5316\uff0c\u56e0\u6b64\u6807\u79f0\u9762\u79ef\u4e3a ~0.06m 2 = ~ 100 \u82f1\u5bf82 . \u7136\u540e\u6dfb\u52a0\u7ebf\u6027\u8c03\u8282\u7535\u8def\uff0c\u4ee5\u5728\u8d1f\u8f7d<u>\u7535\u6d41<\/u>\u4ece 0 \u5230 1A \u53d8\u5316\u65f6\u4fdd\u6301\u6052\u5b9a\u7684 12V \u8f93\u51fa\u3002<\/p>\n<p>\u56fe 1\u8bf4\u660e\u4e86\u4e00\u4e2a\u5408\u9002\u7684\u4e32\u8054\u7a33\u538b\u5668\uff0c\u800c\u56fe 2\u662f\u4e00\u4e2a\u7c7b\u4f3c\u7684\u5e76\u8054\u62d3\u6251\u3002\u4e3a\u4fbf\u4e8e\u6bd4\u8f83\u5e76\u8054\u7a33\u538b\u4e0e\u4e32\u8054\u7a33\u538b\u7684\u4f18\u52bf\uff0c\u4e24\u79cd\u7a33\u538b\u5668\u5747\u91c7\u7528\u57fa\u4e8e\u53e4\u8001\u7684 LM10 \u7ec4\u5408\u57fa\u51c6 +\u00a0<u>\u8fd0\u7b97\u653e\u5927\u5668<\/u>\u7684\u76f8\u540c\u68c0\u6d4b\/\u63a7\u5236\u7535\u8def\u3002<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4925\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/1.jpg\" alt=\"\" width=\"835\" height=\"440\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/1.jpg 835w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/1-300x158.jpg 300w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/1-768x405.jpg 768w\" sizes=\"(max-width: 835px) 100vw, 835px\" \/><\/div>\n<p>&nbsp;<\/p>\n<p>\u56fe 1\u9002\u7528\u4e8e\u5c0f\u578b\u592a\u9633\u80fd\u7535\u6c60\u9635\u5217\u7684\u4e32\u8054<u>\u7ebf\u6027\u7a33\u538b\u5668<\/u>\u3002<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4926\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/2.jpg\" alt=\"\" width=\"824\" height=\"431\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/2.jpg 824w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/2-300x157.jpg 300w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/10\/2-768x402.jpg 768w\" sizes=\"(max-width: 824px) 100vw, 824px\" \/><\/div>\n<p>&nbsp;<\/p>\n<p>\u56fe 2\u9002\u7528\u4e8e\u5c0f\u578b\u592a\u9633\u80fd\u7535\u6c60\u9635\u5217\u7684\u5e76\u8054\u7ebf\u6027\u7a33\u538b\u5668\u3002<\/p>\n<p>\u5982\u56fe\u6240\u793a\uff0cLM10 200mV \u5185\u90e8\u57fa\u51c6\uff08\u5f15\u811a 1 + 8\uff09\u901a\u8fc7\u63d0\u4f9b\u8f93\u5165\u504f\u7f6e\u7535\u6d41\u8865\u507f\u7684 R1 = R2R3\/(R2 + R3) \u9a71\u52a8\u8fd0\u7b97\u653e\u5927\u5668\u53cd\u76f8\u8f93\u5165\uff08\u5f15\u811a 2\uff09\uff0c\u800c\u540c\u76f8\u8f93\u5165\uff08\u5f15\u811a3) \u901a\u8fc7 60:1 R2:R3 \u5206\u538b\u5668\u8fde\u63a5\u5230 Vout (Vsetpoint = 200mV(R3\/R2 + 1))\u3002\u56e0\u6b64\uff0c\u8fd0\u7b97\u653e\u5927\u5668\u8f93\u51fa\uff08\u5f15\u811a 6\uff09\u5c06\u5728<\/p>\n<p>Vout &lt; Vsetpoint \u5e76\u4e14\u5f53 Vout &gt; Vsetpoint \u65f6\u4e3a\u6b63\u3002<\/p>\n<p>\u5728\u56fe 1\uff08\u4e32\u8054\u7a33\u538b\u5668\uff09\u4e2d\uff0c\u5f15\u811a 6 \u901a\u8fc7\u9650\u6d41 R4 \u8fde\u63a5\u5230 D45 PNP \u4f20\u8f93\u529f\u7387\u6676\u4f53\u7ba1\u7684\u57fa\u6781\uff0c\u5f53 Vout &lt; Vsetpoint \u65f6\u589e\u52a0\u9a71\u52a8\u548c\u8d1f\u8f7d\u7535\u6d41\uff0c\u5f53 Vout &gt; Vsetpoint \u65f6\u51cf\u5c0f\u5b83\u4eec\u3002\u5728\u56fe 2\uff08\u5e76\u8054\u7a33\u538b\u5668\uff09\u4e2d\uff0c\u5f15\u811a 6 \u9a71\u52a8 D44 NPN \u5e76\u8054<u>\u6676\u4f53\u7ba1<\/u>\u7684\u57fa\u6781\uff0c\u5f53 Vout &gt; Vsetpoint \u65f6\u5c06\u66f4\u591a\u7684\u9635\u5217\u7535\u6d41\u8def\u7531\u5230\u5730\uff0c\u800c\u5728 Vout &gt; Vsetpoint \u65f6\u5219\u66f4\u5c11\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u54ea\u79cd\u7c7b\u578b\u7684\u8c03\u8282\uff08\u5e76\u8054\u6216\u4e32\u8054\uff09\u66f4\u597d\uff0c\u4f55\u65f6\u4ee5\u53ca\u4e3a\u4ec0\u4e48\uff1f<\/p>\n<p>\u4e3a\u4e86\u56de\u7b54\u8fd9\u4e2a\u4e00\u822c\u6027\u95ee\u9898\uff0c\u5c06\u8003\u8651\u4e09\u7c7b\u7279\u5b9a\u7684\u7535\u8def\u6027\u80fd\uff1a<\/p>\n<p>\u7a33\u538b\u5668\u6548\u7387\uff08\u5728\u5cf0\u503c\u9700\u6c42\u65f6\u63d0\u4f9b\u7ed9\u8d1f\u8f7d\u7684\u9635\u5217\u529f\u7387\u7684\u6700\u5927\u90e8\u5206\uff09<\/p>\n<p>\u70ed\u7ba1\u7406\u6311\u6218\uff08\u4e3b\u8981\u7531\u529f\u7387\u6676\u4f53\u7ba1\u6563\u70ed\u5668\u6240\u9700\u7684\u70ed\u5bb9\u91cf\u51b3\u5b9a\uff0c\u53cd\u8fc7\u6765\u53c8\u7531\u6700\u5927\u6676\u4f53\u7ba1\u529f\u8017\u51b3\u5b9a\uff09<\/p>\n<p>\u8c03\u8282\u7c7b\u578b\u5bf9\u592a\u9633\u80fd\u7535\u6c60\u9635\u5217\u6e29\u5ea6\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u5bf9\u9635\u5217\u8f6c\u6362\u6548\u7387\u7684\u5f71\u54cd<\/p>\n<p>\u8c03\u8282\u5668\u6548\u7387<\/p>\n<p>\u5f53 D45 \u4f20\u8f93<u>\u6676\u4f53<\/u>\u7ba1\u5bfc\u901a\u5e76\u63a5\u8fd1\u9971\u548c\u65f6\uff0c\u4e32\u8054\u62d3\u6251\u7684\u6ee1\u8f7d (1A) \u6548\u7387\u53d7\u4e09\u4e2a\u56e0\u7d20\u7684\u9650\u5236\uff1a<\/p>\n<p>LM10 \u548c R2R3 \u5206\u538b\u5668\u7684\u7535\u6d41\u6d88\u8017 = 312uA\uff08\u5178\u578b\u503c\uff09<\/p>\n<p>D45 \u7684\u57fa\u672c\u9a71\u52a8@Ic = 1A = 10mA\uff08\u5178\u578b\u503c\uff09<\/p>\n<p>D45 \u7684\u9971\u548c\u538b\u964d @Ic = 1A = 100mV(typ)<\/p>\n<p>\u5c06\u8fd9\u4e9b\u635f\u5931\u76f8\u52a0\uff0c\u4f30\u8ba1\u5178\u578b\u6548\u7387\u56e0\u5b50\u4e3a 98%\u3002<\/p>\n<p>\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u5728\u5206\u6d41\u62d3\u6251\u4e2d\uff0cD44 \u529f\u7387\u6676\u4f53\u7ba1\u5728\u6ee1\u8f7d\u65f6\u5b8c\u5168\u5173\u95ed\uff0c\u9635\u5217\u548c\u8f93\u51fa\u4e4b\u95f4\u7684\u8fde\u63a5\u662f\u76f4\u63a5\u7684\uff0c\u53ea\u7559\u4e0b\u4e0a\u8ff0\u4e09\u4e2a\u56e0\u7d20\u4e2d\u7684\u4e00\u4e2a\u6765\u7ade\u4e89\u8f93\u51fa\u7535\u6d41\uff1a#1\u2014\u2014312uA LM10 \u7535\u6d41\u3002\u8fd9\u5bfc\u81f4\u8fd1\u4e4e\u5b8c\u7f8e\u7684 99.97% \u6548\u7387\u3002<\/p>\n<p>\u7ed3\u8bba\uff1a\u5c31\u6548\u7387\u800c\u8a00\uff0c\u4e32\u8054\u975e\u5e38\u597d\uff0c\u4f46\u5e76\u8054\uff08\u5b9e\u9645\u4e0a\uff09\u662f\u5b8c\u7f8e\u7684\u3002\u8bf7\u6ce8\u610f\uff0c\u8be5\u7ed3\u679c\u4e0e\u4e32\u8054\u7a33\u538b\u6548\u7387\u901a\u5e38\u9ad8\u4e8e\u5e76\u8054\u7a33\u538b\u6548\u7387\u7684\u666e\u904d\u9884\u671f\u4e0d\u540c\u3002<\/p>\n<p>\u70ed\u7ba1\u7406\u6311\u6218<\/p>\n<p>D45 \u7cfb\u5217\u4f20\u8f93\u6676\u4f53\u7ba1\u7684\u6700\u5927\u70ed\u8017\u6563\u7ea6\u4e3a 1.33W\uff0c\u53d1\u751f\u5728 0.66A \u8d1f\u8f7d\u7535\u6d41\u65f6\uff0c\u53ef\u7531\u5c0f\u578b\u5939\u5f0f\u6563\u70ed\u5668\u5bb9\u7eb3\u3002\u7684D44\u5e76\u8054\u6676\u4f53\u7ba1\u7684\u6700\u5927\u529f\u8017\uff0c\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u53d1\u751f\u5728\u96f6\u8d1f\u8f7d\u7535\u6d41\u548c\u5927\u5f97\u591a\uff1a\u301c4.5W\uff0c\u9700\u8981\u76f8\u5f53\u5927\u548c\u7b28\u91cd\u7684\u6324\u538b\u7247\uff0c\u4ee5\u9650\u5236\u53ef\u63a5\u53d7\u7684\u6e29\u5ea6\u4e0a\u5347\uff08\u301c40 \u00f6\u548c\u81ea\u7136\u5bf9\u6d41\u7684\u6761\u4ef6\u4e0bC\uff09\u8f90\u5c04\u3002<\/p>\n<p>\u6839\u636e\u8fd9\u4e2a\u6807\u51c6\uff0c\u4e32\u8054\u8c03\u8282\u662f\u660e\u663e\u7684\u8d62\u5bb6\uff0c\uff08\u9177\uff09\u56e0\u5b50\u5927\u4e8e 3\u3002<\/p>\n<p>\u8c03\u8282\u65b9\u5f0f\u5bf9\u592a\u9633\u80fd\u7535\u6c60\u9635\u5217\u6e29\u5ea6\u7684\u5f71\u54cd<\/p>\n<p>\u592a\u9633\u80fd\u7535\u6c60\u9635\u5217\u5438\u6536\u7684\u603b\u592a\u9633\u80fd\u53ea\u80fd\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\uff1a 1. 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