{"id":1372,"date":"2021-05-20T18:35:53","date_gmt":"2021-05-20T10:35:53","guid":{"rendered":"http:\/\/mgspace.wiki\/docs\/?post_type=docs&#038;p=1372"},"modified":"2022-02-24T17:28:42","modified_gmt":"2022-02-24T09:28:42","slug":"%e5%85%89%e6%95%8f%e7%94%b5%e9%98%bb","status":"publish","type":"docs","link":"http:\/\/mgspace.wiki\/docs\/?docs=%e5%85%89%e6%95%8f%e7%94%b5%e9%98%bb","title":{"rendered":"\u5149\u654f\u7535\u963b"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"540\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/LDR_1000x.jpg\" alt=\"\" class=\"wp-image-1375\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/LDR_1000x.jpg 1000w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/LDR_1000x-500x270.jpg 500w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/LDR_1000x-768x415.jpg 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\uff0c\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u5927\u591a\u6570\u8def\u706f\uff0c\u5ba4\u5916\u706f\u548c\u8bb8\u591a\u5ba4\u5185\u5bb6\u7528\u7535\u5668\u90fd\u662f\u624b\u52a8\u64cd\u4f5c\u548c\u7ef4\u62a4\u7684\u3002\u8fd9\u4e0d\u4ec5\u6709\u98ce\u9669\uff0c\u800c\u4e14\u8fd8\u4f1a\u7531\u4e8e\u4eba\u5458\u758f\u5ffd\u6216\u5728\u63a7\u5236\u8fd9\u4e9b\u7535\u5668\u7684\u5f00\u548c\u5173\u4e2d\u51fa\u73b0\u7f55\u89c1\u60c5\u51b5\u800c\u5bfc\u81f4\u7535\u529b\u6d6a\u8d39\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u5149\u4f20\u611f\u5668\u7535\u8def\u901a\u8fc7\u91c7\u7528\u5149\u4f20\u611f\u5668\u6839\u636e\u65e5\u7167\u5f3a\u5ea6\u81ea\u52a8\u5173\u95ed\u8d1f\u8f7d\u3002\u672c\u6587\u7b80\u8981\u8ba8\u8bba\u4e86\u4ec0\u4e48\u662f\u5149\u654f\u7535\u963b\u5668\uff0c\u5982\u4f55\u5236\u4f5c\u5149\u654f\u7535\u963b\u5668\u7535\u8def\u53ca\u5176\u5e94\u7528\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-66.png\"><img loading=\"lazy\" decoding=\"async\" width=\"988\" height=\"772\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-66.png\" alt=\"\" class=\"wp-image-5403\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-66.png 988w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-66-500x391.png 500w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-66-768x600.png 768w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 1362px) 62vw, 840px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-65.png\"><img loading=\"lazy\" decoding=\"async\" width=\"771\" height=\"1024\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-65-771x1024.png\" alt=\"\" class=\"wp-image-5399\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-65-771x1024.png 771w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-65-376x500.png 376w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-65-768x1020.png 768w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-65-1157x1536.png 1157w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-65-1542x2048.png 1542w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-65-1200x1594.png 1200w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-65.png 2048w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u5149\u654f\u7535\u963b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LDR\u6216<a rel=\"noreferrer noopener\" href=\"http:\/\/en.wikipedia.org\/wiki\/Photoresistor\" target=\"_blank\">\u5149\u654f\u7535\u963b\u5668\u4e5f\u79f0\u4e3a\u5149\u7535\u7535\u963b\u5668<\/a>\uff0c\u5149\u7535\u7ba1\uff0c\u5149\u7535\u5bfc\u4f53\u3002\u5b83\u662f\u7535\u963b\u5668\u7684\u4e00\u79cd\uff0c\u5176\u7535\u963b\u53d6\u51b3\u4e8e\u5176\u8868\u9762\u4e0a\u5165\u5c04\u7684\u5149\u91cf\u3002\u5f53\u5149\u7ebf\u7167\u5c04\u5230\u7535\u963b\u4e0a\u65f6\uff0c\u7535\u963b\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u8fd9\u4e9b\u7535\u963b\u5668\u901a\u5e38\u7528\u4e8e\u9700\u8981\u611f\u5e94\u5149\u7684\u8bb8\u591a\u7535\u8def\u4e2d\u3002\u8fd9\u4e9b\u7535\u963b\u5668\u5177\u6709\u591a\u79cd\u529f\u80fd\u548c\u7535\u963b\u3002\u4f8b\u5982\uff0c\u5f53LDR\u5728\u9ed1\u6697\u4e2d\u65f6\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u6253\u5f00\u706f\u5149\u6216\u5728\u706f\u5149\u4e0b\u5173\u95ed\u706f\u5149\u3002\u5178\u578b\u7684\u5149\u654f\u7535\u963b\u5728\u9ed1\u6697\u4e2d\u7684\u7535\u963b\u4e3a1MOhm\uff0c\u800c\u5728\u4eae\u5ea6\u4e2d\u7535\u963b\u4e3aKOhm\u7684\u7535\u963b\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/resources.kitronik.co.uk\/images\/blogs\/2015\/03\/how_a_light_dependant_resistor_works_typical_ldr.jpg\" alt=\"\u5178\u578b\u7684LDR\uff08\u5149\u654f\u7535\u963b\uff09\" class=\"wp-image-8261\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684LDR<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/resources.kitronik.co.uk\/images\/blogs\/2015\/03\/how_a-light_depedant_resistor_works_circuit_symbol.jpg\" alt=\"\u5149\u654f\u7535\u963bLDR\u7535\u8def\u7b26\u53f7\" class=\"wp-image-8258\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;LDR\u7535\u8def\u7b26\u53f7<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7535\u963b\u968f\u5149\u5f3a\u5ea6\u7684\u53d8\u5316\u800c\u53d8\u5316<\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/resources.kitronik.co.uk\/images\/blogs\/2015\/03\/how_a-light_depedant_resistor_works_resistance_v_light_intensity.jpg\" alt=\"\u5178\u578b\u7684LDR\uff08\u5149\u654f\u7535\u963b\uff09\u7535\u963b\u4e0e\u5149\u5f3a\u5ea6\u7684\u5173\u7cfb\u56fe\" class=\"wp-image-8260\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684LDR\u7535\u963b\u4e0e\u5149\u5f3a\u5ea6\u7684\u5173\u7cfb\u56fe<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5e38\u89c1\u7684LDR\u7c7b\u578b\u7684\u7535\u963b\u4f1a\u968f\u7740\u843d\u5728\u8bbe\u5907\u4e0a\u7684\u5149\u5f3a\u5ea6\u7684\u589e\u52a0\u800c\u4e0b\u964d\uff08\u5982\u4e0a\u56fe\u6240\u793a\uff09\u3002LDR\u7684\u7535\u963b\u901a\u5e38\u53ef\u80fd\u5177\u6709\u4ee5\u4e0b\u7535\u963b\uff1a\u65e5\u5149=5000\u03a9\u9ed1\u6697\u7684=20000000\u03a9&nbsp; \u56e0\u6b64\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u8fd9\u4e9b\u6570\u5b57\u4e4b\u95f4\u5b58\u5728\u5f88\u5927\u5dee\u5f02\u3002\u5982\u679c\u5c06\u6b64\u53d8\u5316\u7ed8\u5236\u5728\u56fe\u5f62\u4e0a\uff0c\u60a8\u5c06\u83b7\u5f97\u4e0e\u4ee5\u4e0a\u56fe\u5f62\u6240\u793a\u76f8\u4f3c\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">LDR\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\">\u8be5\u7535\u963b\u5668\u6839\u636e\u5149\u7535\u5bfc\u539f\u7406\u5de5\u4f5c\u3002\u6ca1\u4ec0\u4e48\uff0c\u4f46\u662f\uff0c\u5f53\u5149\u843d\u5728\u5176\u8868\u9762\u4e0a\u65f6\uff0c\u6750\u6599\u7684\u7535\u5bfc\u7387\u964d\u4f4e\uff0c\u5e76\u4e14\u8be5\u5668\u4ef6\u7684\u4ef7\u5e26\u4e2d\u7684\u7535\u5b50\u4e5f\u88ab\u6fc0\u53d1\u5230\u5bfc\u5e26\u3002\u5165\u5c04\u5149\u4e2d\u7684\u8fd9\u4e9b\u5149\u5b50\u5fc5\u987b\u5177\u6709\u5927\u4e8e\u534a\u5bfc\u4f53\u6750\u6599\u7684\u5e26\u9699\u7684\u80fd\u91cf\uff0c\u8fd9\u4f7f\u7535\u5b50\u4ece\u4ef7\u5e26\u8dc3\u8fc1\u5230\u4f20\u5bfc\u3002<strong><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"222\" src=\"https:\/\/www.watelectronics.com\/wp-content\/uploads\/2019\/07\/LDR-Working-Principle.jpg\" alt=\"LDR\u7684\u5de5\u4f5c\u539f\u7406\"><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"caption-attachment-352\">LDR\u7684\u5de5\u4f5c\u539f\u7406<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">\u8fd9\u4e9b\u5668\u4ef6\u53d6\u51b3\u4e8e\u5149\uff0c\u5f53\u5149\u843d\u5728LDR\u4e0a\u65f6\uff0c\u7535\u963b\u51cf\u5c0f\uff0c\u5e76\u5728\u9ed1\u6697\u4e2d\u589e\u52a0;\u5f53LDR\u4fdd\u6301\u5728\u9ed1\u6697\u5904\u65f6\uff0c\u5176\u7535\u963b\u8f83\u9ad8;\u5f53LDR\u4fdd\u6301\u5728\u5149\u7167\u4e0b\u65f6\uff0c\u5176\u7535\u963b\u589e\u5927\u4f1a\u51cf\u5c11\u3002<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.watelectronics.com\/wp-content\/uploads\/2019\/07\/Variation-of-LDR-Resistance-with-Variation-in-Light-Intensity.jpg\" alt=\"LDR\u7535\u963b\u968f\u5149\u5f3a\u5ea6\u7684\u53d8\u5316\u800c\u53d8\u5316\" width=\"379\" height=\"354\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"caption-attachment-353\">LDR\u7535\u963b\u968f\u5149\u5f3a\u5ea6\u7684\u53d8\u5316\u800c\u53d8\u5316<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">\u5982\u679c\u5bf9LDR\u65bd\u52a0\u6052\u5b9a\u7684\u201c V\u201d\uff0c\u5219\u5149\u5f3a\u5ea6\u4f1a\u589e\u52a0\uff0c\u7535\u6d41\u4f1a\u589e\u52a0\u3002\u4e0b\u56fe\u663e\u793a\u4e86\u7279\u5b9a\u5149\u654f\u7535\u963b\u7684\u7535\u963bVs\u7167\u5ea6\u66f2\u7ebf\u4e4b\u95f4\u7684\u66f2\u7ebf\u3002<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.watelectronics.com\/wp-content\/uploads\/2019\/07\/Light-Intensity-vs-LDR-Resistance.jpg\" alt=\"\u5149\u5f3a\u5ea6vs LDR\u7535\u963b\" width=\"436\" height=\"359\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"caption-attachment-354\">\u5149\u5f3a\u5ea6vs LDR\u7535\u963b<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5149\u654f\u7535\u963b\u7684\u7c7b\u578b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u654f\u7535\u963b\u5668\u6839\u636e\u4f7f\u7528\u7684\u6750\u6599\u8fdb\u884c\u5206\u7c7b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u672c\u5f81\u5149\u654f\u7535\u963b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u7535\u963b\u662f\u7eaf\u534a\u5bfc\u4f53\u5668\u4ef6\uff0c\u4f8b\u5982\u7845\u6216\u9517\u3002\u5f53\u5149\u843d\u5728LDR\u4e0a\u65f6\uff0c\u7535\u5b50\u4ece\u4ef7\u5e26\u5230\u5bfc\u5e26\u88ab\u6fc0\u53d1\uff0c\u7535\u8377\u8f7d\u6d41\u5b50\u7684\u6570\u91cf\u589e\u52a0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5916\u5728\u5149\u654f\u7535\u963b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u5668\u4ef6\u63ba\u6709\u6742\u8d28\uff0c\u8fd9\u4e9b\u6742\u8d28\u5728\u4ef7\u5e26\u4e4b\u4e0a\u4ea7\u751f\u4e86\u4e00\u4e2a\u65b0\u7684\u80fd\u5e26\u3002\u8fd9\u4e9b\u5e26\u5145\u6ee1\u7535\u5b50\u3002\u56e0\u6b64\uff0c\u8fd9\u51cf\u5c0f\u4e86\u5e26\u9699\uff0c\u5e76\u4e14\u5728\u79fb\u52a8\u5b83\u4eec\u65f6\u9700\u8981\u5c11\u91cf\u7684\u80fd\u91cf\u3002\u8fd9\u4e9b\u7535\u963b\u5668\u4e3b\u8981\u7528\u4e8e\u957f\u6ce2\u957f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5149\u654f\u7535\u963b\u7684\u7535\u8def\u56fe<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">LDR\u7684\u7535\u8def\u56fe\u5982\u4e0b\u6240\u793a\u3002\u5f53\u5149\u5f3a\u5ea6\u4f4e\u65f6\uff0c\u5219LDR\u7684\u7535\u963b\u9ad8\u3002\u8fd9\u5c06\u963b\u6b62\u7535\u6d41\u6d41\u5411\u6676\u4f53\u7ba1\u7684\u57fa\u6781\u7aef\u5b50\u3002\u56e0\u6b64\uff0cLED\u4e0d\u4eae\u3002\u4f46\u662f\uff0c\u5f53LDR\u4e0a\u7684\u5149\u5f3a\u5ea6\u8f83\u9ad8\u65f6\uff0cLDR\u7684\u7535\u963b\u8f83\u4f4e\uff0c\u56e0\u6b64\u7535\u6d41\u5148\u6d41\u5230\u7b2c\u4e00\u4e2a\u6676\u4f53\u7ba1\u7684\u57fa\u6781\uff0c\u7136\u540e\u6d41\u5230\u7b2c\u4e8c\u4e2a\u6676\u4f53\u7ba1\uff0c\u56e0\u6b64LED\u70b9\u4eae\uff0c\u8fd9\u91cc\u4f7f\u7528\u4e86\u4e00\u4e2a\u9884\u8bbe\u7535\u963b\u5411\u4e0a\u6216\u5411\u4e0b\u8f6c\u52a8\u4ee5\u589e\u52a0\u6216\u51cf\u5c0f\u7535\u963b\u3002<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.watelectronics.com\/wp-content\/uploads\/2019\/07\/Light-Dependent-Resistor-Circuit.jpg\" alt=\"\u5149\u654f\u7535\u963b\u7535\u8def\" width=\"263\" height=\"242\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"caption-attachment-355\">\u5149\u654f\u7535\u963b\u7535\u8def<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5149\u654f\u7535\u963b\u5e94\u7528<\/h2>\n\n\n\n<p 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