{"id":15721,"date":"2026-01-06T19:54:19","date_gmt":"2026-01-06T11:54:19","guid":{"rendered":"http:\/\/www.erun-tech.com\/?post_type=dt_portfolio&p=15721"},"modified":"2026-01-06T19:54:19","modified_gmt":"2026-01-06T11:54:19","slug":"dianzigongyijinjiedianzixianludejichuzhishi","status":"publish","type":"dt_portfolio","link":"http:\/\/www.erun-tech.com\/vi\/project\/dianzigongyijinjiedianzixianludejichuzhishi","title":{"rendered":"N\u00e2ng cao k\u1ef9 thu\u1eadt \u0111i\u1ec7n t\u1eed: Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 m\u1ea1ch \u0111i\u1ec7n t\u1eed"},"content":{"rendered":"
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N\u00e2ng cao k\u1ef9 thu\u1eadt \u0111i\u1ec7n t\u1eed: Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 m\u1ea1ch \u0111i\u1ec7n t\u1eed<\/h1>\n
\u7535\u8def\u5206\u6790 \u00b7 \u7a33\u538b\u4e0e\u5145\u7535\u56de\u8def\u5b9e\u64cd<\/div>\n<\/div>\n
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\u4e00\u3001 \u7b80\u5355\u7535\u5b50\u7ebf\u8def<\/h2>\n
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\n
1. 7805 \u4e09\u7aef\u7a33\u538b\u96c6\u6210\u7535\u8def<\/div>\n
\n

7805\u662f\u4e00\u6b3e\u5e38\u7528\u7684\u4e09\u7aef\u7a33\u538b\u96c6\u6210\u7535\u8def\uff0c\u5982\u56fe14-2\u6240\u793a\u3002\u53ea\u8981\u6309\u56fe\u793a\u6570\u503c\u9009\u7528\u5143\u4ef6\uff0c\u5e76\u4e14\u710a\u63a5\u65e0\u8bef\uff0c\u65e0\u987b\u8c03\u8bd5\u5373\u53ef\u8f93\u51fa5 V \u7684\u7a33\u5b9a\u7535\u538b\u3002\u56fe\u4e2d\u7684 $C_1$ \u548c $C_2$ \u7686\u4e3a\u7535\u6e90\u6ee4\u6ce2\u7535\u5bb9\uff0c$C_1$ \u8010\u538b\u503c\u4e3a 10 V\uff0c$C_2$ \u8010\u538b\u503c\u8981\u6c42 \u226516V \u3002\u672c\u7a33\u538b\u7535\u6e90\u7684\u8f93\u51fa\u7535\u538b\u56fa\u5b9a\u4e3a5 V, \u6700\u5927\u8f93\u51fa\u7535\u6d41\u4e3a1.5 A\u3002<\/p>\n

\n

\"859872047cd63c1c0fb0cb68b9cfd4c1\"<\/p>\n

\u56fe14-2 7805\u4e09\u7aef\u7a33\u538b\u96c6\u6210\u7535\u8def<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\n
2. \u7535\u6c60\u5145\u7535\u56de\u8def\u5206\u6790<\/div>\n
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\u7535\u6c60\u5145\u7535\u56de\u8def\u5982\u56fe14-3\u6240\u793a\uff0c\u63a7\u5236\u9009\u62e9\u5f00\u5173S \u63a7\u5236\u5145\u7535\u7535\u6d41\u7684\u5927\u5c0f\uff0c\u5206\u4e3a100 mA\u300150mA \u4e24\u4e2a\u4f4d\u7f6e\uff0c\u7531\u53d1\u5149\u4e8c\u6781\u7ba1LED \u53d1\u5149\u7684\u4eae\u3001\u6697\u6765\u6307\u793a\u5f00\u5173S \u7684\u4f4d\u7f6e\u53ca\u5145\u7535\u7535\u6d41\u7684\u5927\u5c0f\u3002$R_5$ \u662f LED \u7684\u9650\u6d41\u7535\u963b\uff0c\u4f7f\u901a\u8fc7LED \u7684\u7535\u6d41\u9650\u5236\u5728\u4e00\u5b9a\u6570\u503c\u3002<\/p>\n

\n

\u5de5\u4f5c\u539f\u7406\u89e3\u6790\uff1a<\/strong><\/p>\n

\u5f53\u5f00\u5173S \u5904\u4e8e\u56fe14-3\u6240\u793a\u7684100 mA \u4f4d\u7f6e\u65f6\uff0c\u4e09\u6781\u7ba1T \u7684\u57fa\u6781\u7535\u538b\u7a33\u5b9a\u57286V, \u5176\u53d1\u5c04\u6781\u7684\u7535\u538b\u7ea6\u4e3a5.4V, \u800c\u8be5\u7535\u538b\u9664\u4ee5\u7535\u963b $R_4$ \u548c $R_2$ \u4e4b\u548c($R_5$ \u4e32\u8054LED \u7684\u7535\u6d41\u7ea6 5 mA, \u4f30\u7b97\u65f6\u5ffd\u7565), \u5f97\u5230\u7684\u7535\u6d41\u7ea6\u4e3a100 mA, \u5373\u7535\u6c60\u7684\u5145\u7535\u7535\u6d41\u4e3a100 mA \u3002\u540c\u6837\uff0c\u5982\u679c\u5f00\u5173S \u5904\u4e8e 50mA \u4f4d\u7f6e\uff0c\u5219\u7535\u6c60\u7684\u5145\u7535\u7535\u6d41\u4e3a50 mA\u3002<\/p>\n<\/div>\n

\n

\"ec0414ab7886bd08a5d718b88b954f84\"<\/p>\n

\u56fe14-3 \u7535\u6c60\u5145\u7535\u56de\u8def<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

\n

\u4e8c\u3001 \u6210\u54c1\u8981\u6c42<\/h2>\n
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\n

(1)\u5668\u4ef6\u5f15\u811a\u8981\u5782\u76f4\u4e8e\u7535\u8def\u677f\u710a\u63a5\uff0c\u4e0d\u53ef\u6b6a\u659c\u503e\u5012\u3002\u5668\u4ef6\u8981\u6446\u653e\u5408\u7406\uff0c\u6574\u9f50\u7f8e\u89c2\u3002<\/p>\n

(2)\u710a\u70b9\u5149\u6ed1\uff0c\u9521\u91cf\u5408\u9002\u3002\u8d70\u9521\u5e72\u51c0\u3001\u6574\u9f50\u3002<\/p>\n

(3)\u53ef\u5b9e\u73b0\u7535\u8def\u529f\u80fd\u3002<\/p>\n

(4)\u710a\u63a5\u5b8c\u6210\u540e\uff0c\u8981\u5408\u7406\u653e\u7f6e\u548c\u4fdd\u517b\u70d9\u94c1\u3002<\/p>\n

    \n
  • <\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

    N\u00e2ng cao k\u1ef9 thu\u1eadt \u0111i\u1ec7n t\u1eed: Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 m\u1ea1ch \u0111i\u1ec7n t\u1eed Ph\u00e2n t\u00edch m\u1ea1ch \u0111i\u1ec7n \u00b7 Th\u1ef1c h\u00e0nh m\u1ea1ch \u1ed5n \u00e1p v\u00e0 s\u1ea1c pin I. M\u1ea1ch \u0111i\u1ec7n t\u1eed \u0111\u01a1n gi\u1ea3n 1. 7805 ba ch\u00e2n \u1ed5n \u00e1p...<\/p>","protected":false},"author":1,"featured_media":15724,"comment_status":"open","ping_status":"closed","template":"","dt_portfolio_category":[891],"dt_portfolio_tags":[],"class_list":["post-15721","dt_portfolio","type-dt_portfolio","status-publish","has-post-thumbnail","hentry","dt_portfolio_category-dianzidianqiyuanshicaopinggukecheng","dt_portfolio_category-891","description-off"],"_links":{"self":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio"}],"about":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/types\/dt_portfolio"}],"author":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/comments?post=15721"}],"version-history":[{"count":1,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15721\/revisions"}],"predecessor-version":[{"id":15725,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio\/15721\/revisions\/15725"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media\/15724"}],"wp:attachment":[{"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=15721"}],"wp:term":[{"taxonomy":"dt_portfolio_category","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_category?post=15721"},{"taxonomy":"dt_portfolio_tags","embeddable":true,"href":"http:\/\/www.erun-tech.com\/vi\/wp-json\/wp\/v2\/dt_portfolio_tags?post=15721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}