{"id":743448,"date":"2024-10-02T17:57:39","date_gmt":"2024-10-02T16:57:39","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=743448"},"modified":"2024-10-02T17:57:39","modified_gmt":"2024-10-02T16:57:39","slug":"led%e7%85%a7%e6%98%8e%e4%b8%ad%e7%9a%84%e7%83%ad%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/led%e7%85%a7%e6%98%8e%e4%b8%ad%e7%9a%84%e7%83%ad%e7%ae%a1%e7%90%86\/","title":{"rendered":"LED\u7167\u660e\u4e2d\u7684\u70ed\u7ba1\u7406"},"content":{"rendered":"

LED\u7167\u660e\u4e2d\u7684\u70ed\u7ba1\u7406\uff1a\u4ecb\u7ecdLED\u6563\u70ed\u539f\u7406\u4e0e\u7b56\u7565\uff0c\u4f18\u5316\u706f\u6548\u7387\u4e0e\u5bff\u547d\uff0c\u89e3\u51b3\u8fc7\u70ed\u95ee\u9898\uff0c\u786e\u4fdd\u8282\u80fd\u6548\u679c\u3002<\/p>\n

\"LED\u7167\u660e\u4e2d\u7684\u70ed\u7ba1\u7406\"<\/p>\n

LED\u7167\u660e\u4e2d\u7684\u70ed\u7ba1\u7406<\/h2>\n

\u968f\u7740LED\uff08\u53d1\u5149\u4e8c\u6781\u7ba1\uff09\u6280\u672f\u7684\u8fc5\u731b\u53d1\u5c55\uff0cLED\u7167\u660e\u5df2\u7ecf\u6210\u4e3a\u73b0\u4ee3\u7167\u660e\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7136\u800c\uff0cLED\u7167\u660e\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u6311\u6218\u5c31\u662f\u70ed\u7ba1\u7406\u3002\u70ed\u7ba1\u7406\u5bf9\u4e8e\u786e\u4fddLED\u706f\u5177\u7684\u6027\u80fd\u548c\u5bff\u547d\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\u70ed\u7ba1\u7406\u7684\u91cd\u8981\u6027<\/h2>\n

LED\u706f\u5177\u5728\u5de5\u4f5c\u65f6\u4f1a\u4ea7\u751f\u70ed\u91cf\uff0c\u5982\u679c\u8fd9\u4e9b\u70ed\u91cf\u4e0d\u80fd\u6709\u6548\u5730\u6563\u70ed\uff0c\u5c31\u4f1a\u5bfc\u81f4LED\u82af\u7247\u6e29\u5ea6\u8fc7\u9ad8\uff0c\u8fdb\u800c\u5f71\u54cd\u5176\u5149\u8f93\u51fa\u548c\u5bff\u547d\u3002\u4e00\u822c\u6765\u8bf4\uff0cLED\u82af\u7247\u7684\u6e29\u5ea6\u6bcf\u5347\u9ad810\u00b0C\uff0c\u5176\u9884\u671f\u5bff\u547d\u5c06\u7f29\u77ed\u4e00\u534a\u3002\u56e0\u6b64\uff0c\u5236\u5b9a\u6709\u6548\u7684\u70ed\u7ba1\u7406\u7b56\u7565\u6765\u63a7\u5236\u6e29\u5ea6\u5bf9\u5ef6\u957fLED\u7684\u4f7f\u7528\u5bff\u547d\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\u70ed\u7ba1\u7406\u7684\u65b9\u6cd5<\/h2>\n

<\/p>\n

  • \u5bfc\u70ed\u6750\u6599\u7684\u9009\u62e9<\/li>\n
  • \u6563\u70ed\u5668\u7684\u8bbe\u8ba1<\/li>\n
  • \u4e3b\u52a8\u51b7\u5374\u6280\u672f<\/li>\n
  • \u70ed\u754c\u9762\u6750\u6599<\/li>\n

    <\/u1><\/p>\n

    \u5bfc\u70ed\u6750\u6599\u7684\u9009\u62e9<\/h3>\n

    \u5728LED\u7167\u660e\u8bbe\u8ba1\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u5bfc\u70ed\u6750\u6599\u975e\u5e38\u91cd\u8981\u3002\u5e38\u89c1\u7684\u5bfc\u70ed\u6750\u6599\u5305\u62ec\u94dd\u3001\u94dc\u7b49\u91d1\u5c5e\uff0c\u56e0\u4e3a\u5b83\u4eec\u5177\u6709\u9ad8\u5bfc\u70ed\u7cfb\u6570\u3002\u4f8b\u5982\uff0c\u94dd\u7684\u70ed\u5bfc\u7cfb\u6570\u7ea6\u4e3a235 W\/(m\u00b7K)\uff0c\u800c\u94dc\u7684\u5219\u9ad8\u8fbe400 W\/(m\u00b7K)\u3002\u8fd9\u4e9b\u6750\u6599\u80fd\u591f\u5feb\u901f\u4f20\u5bfc\u70ed\u91cf\uff0c\u4ece\u800c\u964d\u4f4eLED\u82af\u7247\u7684\u6e29\u5ea6\u3002<\/p>\n

    \u6563\u70ed\u5668\u7684\u8bbe\u8ba1<\/h3>\n

    \u6563\u70ed\u5668\u4e5f\u662fLED\u706f\u5177\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u6563\u70ed\u5143\u4ef6\u3002\u6563\u70ed\u5668\u901a\u5e38\u7531\u91d1\u5c5e\u5236\u6210\uff0c\u901a\u8fc7\u589e\u52a0\u8868\u9762\u79ef\u6765\u63d0\u9ad8\u6563\u70ed\u6548\u679c\u3002\u5e38\u89c1\u7684\u6563\u70ed\u5668\u8bbe\u8ba1\u5305\u62ec\u9ccd\u7247\u72b6\u3001\u69fd\u9053\u72b6\u7b49\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u589e\u52a0\u4e0e\u7a7a\u6c14\u7684\u63a5\u89e6\u9762\u79ef\uff0c\u4ece\u800c\u63d0\u9ad8\u70ed\u4f20\u5bfc\u6548\u7387\u3002<\/p>\n

    \u4e3b\u52a8\u51b7\u5374\u6280\u672f<\/h3>\n

    \u9664\u88ab\u52a8\u51b7\u5374\u5916\uff0c\u4e3b\u52a8\u51b7\u5374\u6280\u672f\u5982\u98ce\u6247\u3001\u70ed\u7535\u5236\u51b7\u7b49\u4e5f\u5e38\u7528\u4e8e\u9ad8\u529f\u7387LED\u5e94\u7528\u4e2d\u3002\u8fd9\u4e9b\u51b7\u5374\u65b9\u6cd5\u901a\u8fc7\u5f3a\u5236\u5bf9\u6d41\u6216\u7535\u5b50\u6563\u70ed\u7684\u65b9\u5f0f\uff0c\u8fdb\u4e00\u6b65\u964d\u4f4eLED\u7684\u5de5\u4f5c\u6e29\u5ea6\u3002<\/p>\n

    \u70ed\u754c\u9762\u6750\u6599<\/h3>\n

    \u70ed\u754c\u9762\u6750\u6599\uff08TIM\uff09\u7528\u4e8e\u586b\u5145LED\u82af\u7247\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u7684\u95f4\u9699\uff0c\u786e\u4fdd\u70ed\u91cf\u80fd\u591f\u9ad8\u6548\u4f20\u5bfc\u5230\u6563\u70ed\u5668\u3002\u5e38\u89c1\u7684TIM\u6709\u5bfc\u70ed\u80f6\u3001\u5bfc\u70ed\u57ab\u7b49\uff0c\u5b83\u4eec\u80fd\u591f\u63d0\u9ad8\u5bfc\u70ed\u6027\u80fd\uff0c\u51cf\u5c11\u70ed\u963b\u3002<\/p>\n

    \u70ed\u4f20\u5bfc\u65b9\u7a0b<\/h2>\n

    \u5728\u70ed\u7ba1\u7406\u4e2d\uff0c\u5e38\u7528\u7684\u70ed\u4f20\u5bfc\u65b9\u7a0b\u4e3a\u5085\u91cc\u53f6\u70ed\u4f20\u5bfc\u5b9a\u5f8b\uff1a<\/p>\n

    q = -k \\frac{\\partial T}{\\partial x}<\/p>\n

    \u5176\u4e2d\uff0cq \u8868\u793a\u70ed\u6d41\u5bc6\u5ea6\uff0ck \u8868\u793a\u6750\u6599\u7684\u70ed\u5bfc\u7387\uff0c\\(\\frac{\\partial T}{\\partial x}\\) \u8868\u793a\u6e29\u5ea6\u68af\u5ea6\u3002<\/p>\n

    \u7ed3\u8bba<\/h2>\n

    \u603b\u4e4b\uff0cLED\u7167\u660e\u4e2d\u7684\u70ed\u7ba1\u7406\u5bf9\u4e8e\u63d0\u9ad8LED\u6027\u80fd\u548c\u5ef6\u957f\u5176\u4f7f\u7528\u5bff\u547d\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u5bfc\u70ed\u6750\u6599\u3001\u8bbe\u8ba1\u6709\u6548\u7684\u6563\u70ed\u5668\u3001\u91c7\u7528\u4e3b\u52a8\u51b7\u5374\u6280\u672f\u548c\u70ed\u754c\u9762\u6750\u6599\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5c06LED\u82af\u7247\u7684\u6e29\u5ea6\u63a7\u5236\u5728\u5b89\u5168\u8303\u56f4\u5185\uff0c\u786e\u4fdd\u5176\u9ad8\u6548\u3001\u7a33\u5b9a\u5730\u5de5\u4f5c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    LED\u7167\u660e\u4e2d\u7684\u70ed\u7ba1\u7406\uff1a\u4ecb\u7ecdLED\u6563\u70ed\u539f\u7406\u4e0e\u7b56\u7565\uff0c\u4f18\u5316\u706f\u6548\u7387\u4e0e\u5bff\u547d\uff0c\u89e3\u51b3\u8fc7\u70ed\u95ee\u9898\uff0c\u786e\u4fdd\u8282\u80fd\u6548\u679c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[134],"tags":[],"yoast_head":"\nLED\u7167\u660e\u4e2d\u7684\u70ed\u7ba1\u7406<\/title>\n<meta name=\"description\" content=\"LED\u7167\u660e\u4e2d\u7684\u70ed\u7ba1\u7406\uff1a\u4ecb\u7ecdLED\u6563\u70ed\u539f\u7406\u4e0e\u7b56\u7565\uff0c\u4f18\u5316\u706f\u6548\u7387\u4e0e\u5bff\u547d\uff0c\u89e3\u51b3\u8fc7\u70ed\u95ee\u9898\uff0c\u786e\u4fdd\u8282\u80fd\u6548\u679c\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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