{"id":2056,"date":"2019-01-08T08:55:49","date_gmt":"2019-01-08T08:55:49","guid":{"rendered":""},"modified":"2019-01-08T16:56:13","modified_gmt":"2019-01-08T08:56:13","slug":"%e9%80%9a%e8%bf%87%e9%a9%b1%e5%8a%a8%e9%ab%98%e5%8a%9f%e7%8e%87led%e9%99%8d%e4%bd%8eemi","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2056","title":{"rendered":"\u901a\u8fc7\u9a71\u52a8\u9ad8\u529f\u7387LED\u964d\u4f4eEMI"},"content":{"rendered":"

\u7528\u4e8e\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\u7ea2\u5916\u8f90\u5c04\u7684\u9ad8\u529f\u7387LED\u6a21\u5757\u4f7f\u7528\u9ad8\u7535\u6d41\u65b9\u6ce2\u4fe1\u53f7\u8fdb\u884c\u64cd\u4f5c\uff0c\u8be5\u4fe1\u53f7\u53ef\u5728\u7cfb\u7edf\u7684\u751f\u7269\u7535\u6781\u4f20\u611f\u5668\u5904\u5f15\u8d77\u5f3a\u7535\u78c1\u5e72\u6270\uff08EMI\uff09\uff0c\u4ece\u800c\u5bfc\u81f4\u6c34\u8d28\u53d7\u635f\u6570\u636e\u3002<\/span>

\n

\n\u964d\u4f4eEMI\u7684\u65b9\u6cd5\u5982\u56fe1\u6240\u793a\uff0c\u4e0b\u9762\u63cf\u8ff0\u4e00\u4e2a\u4f8b\u5b50\u3002<\/span>

\n
<\/p>\n

\n\t\"\"

\n\t\u56fe1\u964d\u4f4e\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u8f93\u5165\u65b9\u6ce2\u4fe1\u53f7\u5f15\u8d77\u7684EMI\u7684\u65b9\u6cd5\u6846\u56fe<\/font><\/font><\/font><\/font><\/div>\n



\n

\n\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5c06\u8003\u8651\u4e00\u4e2a30W\u7684\u5927\u529f\u7387LED\u6a21\u5757\uff0c\u8be5\u6a21\u5757\u75316\u4e2a5W LED<\/span>\u5c01\u88c5\u7ec4\u6210\uff0c\u9700\u898112 VDC\u4ee5\u4e0a\u548c2A\u6ee1\u8f7d\u6761\u4ef6\u3002\u7ea611VDC\u7684\u4e34\u754c\u7535\u538b\uff08VH\uff09\u662fLED\u53d1\u5149\u6240\u9700\u7684\u6700\u5c0f\u7535\u538b\u3002DC<\/span>\u7535\u6e90\u63d0\u4f9bV1 = 10.5VDC\u7684\u521d\u59cb\u7535\u538b\uff0c\u5176\u9010\u6e10\u589e\u52a0\u5230\u6070\u597d\u4f4e\u4e8e\u4e34\u754c\u7535\u538bVH\u3002 <\/span>

\n

\n\u7136\u540e\uff0c\u5bf9\u4e8e\u8be5\u793a\u4f8b\uff0c\u7b2c\u4e8cDC\u7535\u538bV2 = 3.7VDC\u4e0e\u7b2c\u4e00DC\u7535\u538b\u4e32\u8054\u65bd\u52a0\uff0c\u4f7f\u5f97\u6240\u65bd\u52a0\u7684\u7535\u538bV1 + V2\u7684\u603b\u548c\u5927\u4e8e12VDC\uff08\u5bfc\u81f4\u53d1\u5149\uff09\u3002 <\/span>

\n

\nV1\u548cV2\u90fd\u4e0e\u56fa\u6001\u7ee7\u7535\u5668\u4e32\u8054\u8fd0\u884c\u3002\u5f53\u8f93\u5165\u65b9\u6ce2\u5904\u4e8e\u6700\u5c0f\u503c\u65f6\uff0c\u7ee7\u7535\u5668\u6253\u5f00\uff0cV1\uff08\u521a\u597d\u4f4e\u4e8eVH\u7684\u4e34\u754c\u7535\u538b\uff09\u65bd\u52a0\u5230LED\u5c01\u88c5; \u5f53\u8f93\u5165\u65b9\u6ce2\u5904\u4e8e\u6700\u5927\u503c\u65f6\uff0c\u7ee7\u7535\u5668\u95ed\u5408\u5e76\u65bd\u52a0V1 + V2\u7684\u7ec4\u5408\u3002\u65b9\u6ce2\u8f93\u5165\u6709\u6548\u5730\u4ece12 VDC\u7684\u5e45\u5ea6\u8f6c\u6362\u52303.7 VDC\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u751f\u7269\u4f20\u611f\u5668\u7684EMI\u6c34\u5e73\u3002\u5f53\u65bd\u52a0\u7ec4\u5408\u7684V1 + V2\u7535\u538b\u65f6\uff0c\u4e8c\u6781\u7ba1D1\u7528\u4e8e\u963b\u6b62\u7535\u6d41\u6d41\u56deV1\u6e90\u3002 <\/span>

\n

\n\u7531\u4e8eLED\u6a21\u5757\u76f4\u63a5\u753112 VDC\u65b9\u6ce2\u9a71\u52a8\uff0c\u751f\u7269\u4f20\u611f\u5668\u7684\u566a\u58f0\u5e73\u5747\u503c\u8d85\u8fc7500μV\uff0c\u5cf0\u503c\u5904\u4e8e\u663e\u7740\u66f4\u9ad8\u7684\u6c34\u5e73\uff0c\u5982\u4e0b\u56fe2\u6240\u793a\u3002<\/span>

\n

\n\u56fe3\u663e\u793a\u4e86\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\u9a71\u52a8\u7684LED\u6a21\u5757\u7684EMI\u663e\u7740\u964d\u4f4e\uff0c\u5e73\u5747\u611f\u5e94\u566a\u58f0\u6c34\u5e73\u7ea6\u4e3a400μV\u4e14\u65e0\u660e\u663e\u5cf0\u503c\u3002<\/font><\/font><\/font><\/font>

\n
<\/p>\n

\n\t\"\"

\n\t\u56fe2\u751f\u7269\u4f20\u611f\u5668\u7684\u566a\u58f0\u6c34\u5e73\uff0cLED\u6a21\u5757\u753112 VDC\u65b9\u6ce2\u9a71\u52a8<\/font><\/font><\/font><\/font><\/div>\n


<\/p>\n

\n\t\"\"

\n\t\u56fe3\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\u9a71\u52a8\u7684LED\u6a21\u5757\u751f\u7269\u4f20\u611f\u5668\u7684\u566a\u58f0\u6c34\u5e73<\/font><\/font><\/font><\/font><\/div>\n
\n\t <\/div>\n","protected":false},"excerpt":{"rendered":"

\u7528\u4e8e\u6c34\u8d28\u76d1\u6d4b\u7cfb\u7edf\u4e2d\u7ea2\u5916\u8f90\u5c04\u7684\u9ad8\u529f\u7387LED\u6a21\u5757\u4f7f\u7528\u9ad8\u7535\u6d41\u65b9\u6ce2\u4fe1\u53f7\u8fdb\u884c\u64cd\u4f5c\uff0c\u8be5\u4fe1\u53f7\u53ef\u5728\u7cfb\u7edf\u7684\u751f\u7269\u7535\u6781\u4f20\u611f\u5668\u5904\u5f15\u8d77\u5f3a\u7535\u78c1\u5e72\u6270\uff08EMI\uff09\uff0c\u4ece\u800c\u5bfc\u81f4\u6c34\u8d28\u53d7\u635f\u6570\u636e\u3002 \u964d\u4f4eEMI\u7684\u65b9\u6cd5\u5982\u56fe<\/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\/2056"}],"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=2056"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2056\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2056"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}