{"id":1783,"date":"2018-12-17T03:05:53","date_gmt":"2018-12-17T03:05:53","guid":{"rendered":""},"modified":"2018-12-17T11:06:17","modified_gmt":"2018-12-17T03:06:17","slug":"%e7%94%b5%e6%ba%90+buck+%e7%94%b5%e8%b7%af%e4%b8%ad%e7%94%b5%e6%84%9f%e7%9a%84%e9%80%89%e6%8b%a9","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1783","title":{"rendered":"\u7535\u6e90 Buck \u7535\u8def\u4e2d\u7535\u611f\u7684\u9009\u62e9"},"content":{"rendered":"

\n\t\u76ee\u524d\u5e02\u573a\u4e0a\u6709\u5f88\u591a\u7684LED\u9a71\u52a8\u7535\u6e90\u5728\u5b9e\u9645\u5e94\u7528\u65f6\u53d1\u73b0,\u5f53\u5c06\u7535\u6e90\u653e\u5728\u94dd\u7ba1\u7684\u706f\u7ba1\u5185\u8f93\u51fa\u7535\u6d41<\/u>\u4f1a\u4e0b\u5c06\u3002\u4ece\u800c\u5bfc\u81f4 LED\u706f\u7684\u8f93\u51fa\u5149\u901a\u91cf\u4e0b\u964d\u3002\u8fd9\u79cd\u95ee\u9898\u540c\u6837\u4e5f\u4f1a\u53d1\u751f\u5728\u5851\u6599\u7ba1\u7684\u706f\u7ba1,\u56e0\u4e3a\u5728\u6700\u7ec8\u7684\u5ba2\u6237\u624b\u91cc,\u662f\u5c06\u706f\u7ba1\u88c5\u5728\u91d1\u5c5e(\u901a\u5e38\u5176\u6750\u6599\u4e5f\u662f\u94dd)\u5236\u7684\u706f\u5177\u5185,\u6240\u4ee5\u6b64\u65f6\u706f\u7535\u6d41\u4e5f\u4f1a\u53d1\u751f\u4e0b\u964d\u3002\u8fd9\u4efd\u5e94\u7528\u7b14\u8bb0\u5c06\u5e2e\u52a9\u5927\u5bb6\u53bb\u7406\u89e3\u548c\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n

\u7b80\u5355\u7684\u78c1\u5b66\u4ecb\u7ecd<\/span><\/strong><\/span><\/p>\n

\n\t“\u5728\u7269\u7406\u5b66\u7684\u89c2\u70b9\u91cc,\u4efb\u4f55\u6750\u6599\u90fd\u662f\u78c1\u6027\u6750\u6599\u3002\u4e5f\u5c31\u662f\u8bf4,\u6bcf\u4e00\u79cd\u6750\u6599\u90fd\u6709\u4e00\u5b9a\u7684\u78c1\u73b0\u8c61\u3002\u6709\u7684\u6750\u6599\u5728\u78c1\u573a\u5185\u4f1a\u62b5\u6d88\u4e00\u5c0f\u90e8\u5206\u78c1\u573a\u5f3a\u5ea6,\u5448\u73b0\u300c\u53cd\u78c1\u6027\u300d(diamagneti<\/u>sm),\u79f0\u4e3a\u9006\u78c1\u6027\u6750\u6599,\u5982\u94dc\u3001\u94dd\u7b49;\u6709\u7684\u5728\u78c1\u573a\u5185\u6709\u5fae\u5c0f\u7684\u6b63\u611f\u5e94,\u5448\u73b0\u300c\u987a\u78c1\u6027\u300d(param<\/u>agnetism),\u987a\u78c1\u6027\u6750\u6599,\u5982\u7a7a\u6c14\u3001\u94c1\u7b49”<\/p>\n

\n\t <\/div>\n

\n\t\u6b63\u5982\u4e0a\u6240\u6307,\u5bf9\u4e8e\u4e00\u4e2a\u5f00\u73af\u78c1\u8def\u7684\u7535\u611f(\u4ee5\u5de5\u5b57\u7535\u611f\u4e3a\u4f8b),\u5176\u78c1\u529b\u7ebf\u7684\u4e3b\u78c1\u8def\u662f\u7a7a\u6c14\u3002\u5982\u56fe1\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe1\u5de5\u5b57\u7535\u611f\u7684\u78c1\u529b\u7ebf\u793a\u610f\u56fe<\/p>\n

\n\t\u5f53\u5728\u4e00\u4e2a\u5de5\u5b57\u7535\u611f\u65c1\u8fb9\u653e\u7f6e\u94dd\u677f\u65f6\u3002\u5982\u56fe2\u6240\u793a,\u7531\u4e8e\u94dd\u677f\u5c5e\u4e8e\u9006\u78c1\u6027\u6750\u6599,\u5176\u78c1\u963b\u5f88\u5927\u3002\u76f8\u5f53\u52a0\u94dd\u677f\u65f6,\u539f\u5148\u7684\u78c1\u901a\u9762\u79ef\u51cf\u5c0f\u3002<\/p>\n

\n\t\u7531Φ= ∫B*S\u53ef\u77e5,\u5f53S↓→Φ↓,<\/p>\n

\n\t\u7531Φ∝L*I\u53ef\u77e5,\u5f53Φ↓→L↓.<\/p>\n

\n\t<\/p>\n

\n\t\u56fe2\u5de5\u5b57\u7535\u611f\u7684\u78c1\u529b\u7ebf\u793a\u610f\u56fe<\/p>\n

\n\t\u5b9e\u9645\u60c5\u51b5\u7531\u4ee5\u4e0a\u6240\u8ff0\u53ef\u77e5,\u5f53L↓\u540e,<\/p>\n

\n\t<\/p>\n

\n\t\u7531\u8f93\u51fa\u7535\u6d41<\/p>\n

\n\t<\/p>\n

\n\t\u53ef\u77e5,\u5f53Iripple↑→Iout↓;<\/p>\n

\n\t\u901a\u8fc7\u76f8\u5173\u7684\u5b9e\u9a8c\u4e5f\u8bc1\u660e\u4e86\u4ee5\u4e0a\u7684\u8bf7\u51b5\u3002<\/p>\n

\n\t24\u4e3212\u5e76\u7684\u94dd\u7ba1T8\u706f\u7ba1,\u7528\u5de5\u5b57\u7535\u611f\u505a\u8f93\u51fa\u7535\u611f,\u5148\u4e0d\u653e\u5165\u706f\u7ba1\u5185,\u5728\u5b9e\u9a8c\u53f0\u4e0a\u6d4b\u8bd5\u7684\u8f93\u51fa\u7535\u6e90\u4e3a240mA\u800c\u5f53\u7535\u6e90\u7684\u7535\u611f\u90e8\u5206\u8fdb\u5165\u706f\u7ba1\u540e,\u8f93\u51fa\u7535\u6e90\u6025\u5267\u4e0b\u964d\u81f3158mA\u5de6\u53f3\u3002\u5c06\u5de5\u5b57\u7535\u611f\u6539\u6210 EE-13\u7535\u611f,\u8f93\u51fa\u7535\u6d41\u5728\u706f\u548c\u5185\u548c\u5916\u7535\u6d41\u90fd\u57fa\u672c\u4e0d\u53d8\u3002<\/p>\n

\n\t\u56e0\u6b64,\u5efa\u8baeLED\u7535\u6e90\u4e2d\u7684\u4e3b\u7535\u611f\u9009\u7528\u95ed\u5408\u78c1\u8def\u7684\u7535\u611f\u3002\u4f8b\u5982:\u5982\u679c\u5728\u4f53\u79ef\u4e0a\u6ca1\u6709\u592a\u9ad8\u7684\u8981\u6c42,\u9009\u7528\u6027\u4ef7\u6bd4\u9ad8\u7684 EE\u7cfb\u5217,\u5982\u679c\u5bf9\u7535\u611f\u7684\u4f53\u79ef\u53ca\u9ad8\u5ea6\u8981\u6c42\u6bd4\u8f83\u9ad8\u7684\u8bdd,\u5148\u7528EFD\u7cfb\u5217,EPC\u7cfb\u5217\u3002\u5f53\u7136,\u50cf\u73af\u578b\u78c1\u82af\u4e5f\u662f\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u76ee\u524d\u5e02\u573a\u4e0a\u6709\u5f88\u591a\u7684LED\u9a71\u52a8\u7535\u6e90\u5728\u5b9e\u9645\u5e94\u7528\u65f6\u53d1\u73b0,\u5f53\u5c06\u7535\u6e90\u653e\u5728\u94dd\u7ba1\u7684\u706f\u7ba1\u5185\u8f93\u51fa \u7535\u6d41 \u4f1a\u4e0b\u5c06\u3002\u4ece\u800c\u5bfc\u81f4 LED\u706f\u7684\u8f93\u51fa\u5149\u901a\u91cf\u4e0b\u964d\u3002\u8fd9\u79cd\u95ee\u9898\u540c\u6837\u4e5f\u4f1a\u53d1\u751f\u5728\u5851\u6599\u7ba1\u7684\u706f\u7ba1,\u56e0\u4e3a\u5728\u6700\u7ec8<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/1783"}],"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=1783"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/1783\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1783"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}