{"id":17589,"date":"2024-11-11T15:44:31","date_gmt":"2024-11-11T15:44:31","guid":{"rendered":"https:\/\/hbluoyi.qhqy.vip\/?p=17589"},"modified":"2024-11-11T15:44:31","modified_gmt":"2024-11-11T15:44:31","slug":"fuse%e9%80%89%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/hbluoyi.qhqy.vip\/?p=17589","title":{"rendered":"FUSE\u9009\u578b"},"content":{"rendered":"
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fuse\u7684\u9009\u578b\u8bf4\u96be\u4e0d\u96be\uff0c\u8bf4\u7b80\u5355\u4e5f\u4e0d\u7b80\u5355\uff0c\u603b\u5171\u5927\u6982\u4f1a\u6d89\u53ca\u523010\u4e2a\u65b9\u9762\u3002\u6709\u4e9b\u6bd4\u8f83\u7b80\u5355\uff0c\u53ef\u80fd\u8981\u4e0d\u4e861min\u5c31\u884c\u4e86\uff1b\u6709\u4e9b\u5219\u6bd4\u8f83\u9ebb\u70e6\uff0c\u9700\u8981\u67e5\u4e00\u4e9b\u6570\u636e\u548c\u56fe\u8868\uff0c\u505a\u4e00\u4e9b\u8ba1\u7b97\u624d\u80fd\u5f97\u51fa\u7ed3\u8bba\u3002<\/strong>OK\uff0c\u90a3\u4e48\u5c31\u8bf7\u8ddf\u7740\u6211\u4e00\u70b9\u70b9\u6765\u5427\uff01<\/strong><\/section>\n
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1.\u00a0fuse\u989d\u5b9a\u7535\u6d41\u7684\u9009\u53d6<\/strong><\/section>\n
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\u901a\u5e38\u572825\u2103\u7684\u73af\u5883\u6e29\u5ea6\u4e0b\uff08Ta=25\u2103\uff09\uff0cfuse\u7684\u989d\u5b9a\u7535\u6d41\u9700\u8981\u964d\u989d25%\u6765\u4f7f\u7528\uff0c\u4ee5\u5c3d\u91cf\u907f\u514d\u8fc7\u70ed\u3001\u8bef\u7194\u65ad\u7b49\u95ee\u9898\u7684\u53d1\u751f\u3002\u4f8b\uff1a\u989d\u5b9a\u7535\u6d4110A\u7684fuse\uff0c\u5728Ta=25\u2103\u65f6\uff0c\u7ecf\u8fc7fuse\u7684\u7535\u6d41\u4e0d\u5e94\u8d85\u8fc710×0.75=7.5A\u9488\u5bf9\u8fd9\u4e00\u70b9\uff0c\u5f88\u591a\u670b\u53cb\u4f1a\u95eewhy\uff1f\u8fd9\u4e48\u505a\u6709\u6ca1\u6709\u4ec0\u4e48\u4f9d\u636e\uff1f\u6211\u67e5\u8be2\u4e86\u4e00\u4e9b\u8d44\u6599\uff0c\u6700\u6709\u8bf4\u670d\u529b\u7684\u5e94\u8be5\u662fUL\u5b89\u89c4\u8ba4\u8bc1\u91cc\u7684\u4e0b\u9762\u8fd9\u6bb5\u8bdd\uff1a<\/p>\n

\"\"<\/p><\/blockquote>\n

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\u5176\u5927\u81f4\u7684\u610f\u601d\u662f\u4e00\u6837\u7684\uff0c\u572825\u2103\u7684\u73af\u5883\u6e29\u5ea6\u4e0b\uff0c\u5efa\u8bae\u7ecf\u8fc7fuse\u7684\u7535\u6d41\u4e0d\u8981\u5927\u4e8efuse\u989d\u5b9a\u7535\u6d41\u768475%\uff0cUL\u4f1a\u4ee5\u6b64\u4f5c\u4e3afuse\u8ba4\u8bc1\u65f6\u5019\u7684\u6d4b\u8bd5\u6761\u4ef6\u3002<\/p>\n

\u8fd9\u91cc\u5c94\u5f00\u8bf4\u4e00\u70b9\uff0c\u5728\u53e6\u4e00\u4e2afuse\u7684\u5b89\u89c4\u8ba4\u8bc1IEC\u4e2d\uff0c\u6211\u5e76\u6ca1\u6709\u627e\u5230\u7c7b\u4f3c\u7684\u63cf\u8ff0\uff0c\u6240\u4ee5\u7406\u8bba\u4e0a\u6765\u8bf4\u7b26\u5408IEC\u8ba4\u8bc1\u7684fuse\u662f\u53ef\u4ee5\u5de5\u4f5c\u5728100%\u989d\u5b9a\u7535\u6d41\u4e0b\u7684\u3002\u4f46\u6211\u4e2a\u4eba\u8fd8\u662f\u5f3a\u70c8\u5efa\u8bae\u6309\u7167UL\u7684\u6807\u51c6\u505a25%\u7684\u964d\u989d\uff0c\u7406\u7531\u5f88\u7b80\u5355\uff0c\u56e0\u4e3a\u66f4\u5c0f\u7684\u7535\u6d41\u610f\u5473\u7740fuse\u7684\u53d1\u70ed\u66f4\u5c11\uff0c\u6e29\u5ea6\u66f4\u4f4e\uff0c\u8fd9\u5bf9fuse\u7684\u5bff\u547d\u548c\u53ef\u9760\u6027\u4f1a\u6709\u6bd4\u8f83\u5927\u7684\u597d\u5904\u3002<\/p>\n<\/section>\n<\/section>\n<\/section>\n

2. fuse\u989d\u5b9a\u7535\u538b\u7684\u9009\u53d6<\/strong><\/p>\n

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fuse\u7684\u989d\u5b9a\u7535\u538b\u5fc5\u987b\u5927\u4e8e\u6216\u7b49\u4e8e\u7535\u8def\u4e2d\u7684\u6700\u5927\u5de5\u4f5c\u7535\u538b\u3002-\u00a0AC\u4ea4\u6d41\u7535\u8def\uff0c\u8bf7\u9009\u62e9AC fuse-\u00a0DC\u76f4\u6d41\u7535\u8def\uff0c\u8bf7\u9009\u62e9DC fuse-\u00a0AC\/DC\u4ea4\u76f4\u6d41\u7535\u8def\uff0c\u8bf7\u9009\u62e9AC\/DC fuse\u4e0d\u5efa\u8baeAC fuse\u548cDC fuse\u6df7\u7528\u3002\u6bd4\u5982AC\u4ea4\u6d41\u7535\u8def\u4e2d\u4f7f\u7528DC fuse\uff1b\u6216\u8005\u5728DC\u76f4\u6d41\u7535\u8def\u4e2d\u4f7f\u7528AC fuse\uff0c\u8fd9\u4e3b\u8981\u548cfuse\u7684\u5206\u65ad\u80fd\u529b\u8fd9\u4e2a\u53c2\u6570\u6709\u5173\uff0c\u540e\u9762\u4f1a\u7ec6\u8bf4\u3002\u53e6\u5916\uff0c\u518d\u591a\u8bf4\u4e00\u70b9\uff0cAC\u7535\u538b\u662f\u53ef\u4ee5\u6362\u7b97\u6210DC\u7535\u538b\u7684\u3002\u4f8b\uff1aVrms=220VAC, Vpeak=220x\u221a2=311VDC\u3002\u6240\u4ee5\uff0c\u4f60\u4e5f\u53ef\u4ee5\u9009\u62e9\u989d\u5b9a\u7535\u538b\u2265311VDC\u7684fuse\u7528\u5728220VAC\u7684\u4ea4\u6d41\u7535\u8def\u4e2d\u3002\u5f53\u7136\uff0c\u5b9e\u9645\u4e0a\u6211\u4eec\u5f88\u5c11\u4f1a\u8fd9\u4e48\u505a\uff0c\u56e0\u4e3a\u4ece\u6210\u672c\u7684\u89d2\u5ea6\u8003\u8651\u8fd9\u5e76\u4e0d\u5212\u7b97\u3002\u8fd8\u6709\u4e00\u4e2a\u5f88\u591a\u670b\u53cb\u4f1a\u6709\u7591\u95ee\u7684\u70b9\u662f\uff0cfuse\u4e3a\u4ec0\u4e48\u9700\u8981\u8003\u8651\u7535\u538b\uff1f\u5b83\u6b63\u5e38\u5de5\u4f5c\u7684\u65f6\u5019\u4e0d\u662f\u76f8\u5f53\u4e8e\u77ed\u8def\u561b\uff1f\u90a3\u4e24\u7aef\u51e0\u4e4e\u6ca1\u4ec0\u4e48\u7535\u538b\u554a\uff1fYes\uff0cyou are right\uff01\u4f46\u662f\uff0c\u4f60\u5ffd\u7565\u4e86fuse\u65ad\u5f00\u65f6\u7684\u60c5\u51b5\u3002fuse\u7684\u7194\u65ad\u662f\u7269\u7406\u4e0a\u7684\u65ad\u5f00\uff0c\u6b64\u65f6\u7535\u8def\u4e2d\u7684\u6240\u6709\u7535\u538b\u90fd\u4f1a\u52a0\u5728fuse\u7684\u4e24\u7aef\uff0c\u6240\u4ee5fuse\u9700\u8981\u80fd\u5b89\u5168\u5730\u627f\u53d7\u8fd9\u4e2a\u7535\u538b\uff0c\u8fd9\u4e5f\u5c31\u662ffuse\u989d\u5b9a\u7535\u538b\u7684\u610f\u4e49\u3002<\/p>\n
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\"\"<\/p>\n<\/section>\n<\/section>\n<\/section>\n

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3.\u00a0\u73af\u5883\u6e29\u5ea6(Ta)\u5bf9fuse\u9009\u578b\u7684\u5f71\u54cd<\/strong><\/section>\n
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fuse\u662f\u6e29\u5ea6\u654f\u611f\u6027\u5668\u4ef6\uff0c\u6240\u4ee5fuse\u7684\u989d\u5b9a\u7535\u6d41\u9700\u8981\u6839\u636eTa\u6765\u505a\u964d\u989d\u5904\u7406\u3002\u5728\u6240\u6709fuse\u7684\u89c4\u683c\u4e66\u4e2d\uff0c\u4f60\u90fd\u80fd\u627e\u5230\u5982\u4e0b\u7684\u6e29\u5ea6\u964d\u989d\u66f2\u7ebf\uff0cX\u8f74\u662f\u73af\u5883\u6e29\u5ea6Ta\uff0cY\u8f74\u662f\u964d\u989d\u7cfb\u6570derating\u3002\u5982\u4e0b\u8fd9\u4e2a\u4f8b\u5b50\u4e2dA,B,C\u662f3\u9897\u4e0d\u540c\u7684fuse\uff0c\u5728Ta=60\u2103\u65f6\uff0c\u53ef\u4ee5\u5f97\u5230\u4e0d\u540c\u7684derating\uff1a<\/p>\n
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–\u00a0A fuse\uff1a85%<\/p>\n

– B fuse\uff1a97%<\/p>\n

–\u00a0C fuse\uff1a65%<\/p>\n

\u6ce8\u610f\uff0c\u8fd9\u91cc\u7684derating\u9488\u5bf9\u7684\u662ffuse\u7684\u989d\u5b9a\u7535\u6d41\u3002<\/p>\n

\"\"<\/p>\n

\u90a3\u4e48\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u7ed9\u51fafuse\u989d\u5b9a\u7535\u6d41\u9009\u578b\u7684\u8ba1\u7b97\u65b9\u6cd5\uff1a<\/p>\n

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fuse\u7684\u989d\u5b9a\u7535\u6d41\u00a0=\u00a0\u6b63\u5e38\u5de5\u4f5c\u7535\u6d41\/0.75\/derating<\/p>\n

\u5047\u8bbe\u7535\u8def\u4e2d\u7684\u6b63\u5e38\u5de5\u4f5c\u7535\u6d41\u4e3a10A, Ta=60\u2103\uff0c\u8ba9\u6211\u4eec\u6765\u8bd5\u7740\u8ba1\u7b97\u4e00\u4e0bA,B,C\u8fd93\u9897\u4e0d\u540c\u7684fuse\uff0c\u5206\u522b\u9700\u8981\u9009\u62e9\u591a\u5927\u7684\u989d\u5b9a\u7535\u6d41\u624d\u5408\u9002\u5462\uff1f<\/p>\n

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–\u00a0A fuse = 10\/0.75\/0.85 =\u00a015.68A\uff0c\u53ef\u9009\u989d\u5b9a16A\u7684fuse<\/p>\n

–\u00a0B fuse = 10\/0.75\/0.97 =\u00a013.74A\uff0c\u53ef\u9009\u989d\u5b9a15A\u7684fuse<\/p>\n

–\u00a0C fuse = 10\/0.75\/0.65 =\u00a020.51A\uff0c\u53ef\u9009\u989d\u5b9a20A\u7684fuse<\/p>\n

\u7ec6\u5fc3\u7684\u670b\u53cb\u53ef\u80fd\u5df2\u7ecf\u53d1\u73b0\uff0cfuse\u7684derating\u66f2\u7ebf\u8d8a\u662f\u9661\u5ced\uff0c\u9700\u8981\u9009\u62e9\u7684\u989d\u5b9a\u7535\u6d41\u5c31\u8d8a\u5927\uff1b\u53cd\u4e4b\uff0cfuse\u7684derating\u66f2\u7ebf\u8d8a\u662f\u5e73\u7f13\uff0c\u9700\u8981\u9009\u62e9\u7684\u989d\u5b9a\u7535\u6d41\u5c31\u8d8a\u5c0f\u3002\u8fd9\u5176\u5b9e\u53ef\u4ee5\u4ece\u4e00\u4e2a\u4fa7\u9762\u53cd\u6620\u51fafuse\u7684\u597d\u574f\uff0c\u4e00\u822c\u6765\u8bf4\u6211\u4eec\u90fd\u4f1a\u5efa\u8bae\u9009\u62e9\u6e29\u5ea6\u964d\u989d\u6bd4\u8f83\u5c0f\u7684fuse\uff0c\u56e0\u4e3a\u90a3\u610f\u5473\u7740\u5b83\u7684\u6027\u80fd\u66f4\u7a33\u5b9a\uff0c\u4e0d\u6613\u53d7\u5916\u754c\u6e29\u5ea6\u7684\u5f71\u54cd\u3002<\/p>\n

4. fuse\u7684\u8fc7\u6d41\u4fdd\u62a4(\u5373\u65f6\u95f4-\u7535\u6d41\u66f2\u7ebf)<\/strong><\/p>\n

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fuse\u7684\u8fc7\u6d41\u4fdd\u62a4\u80fd\u529b\u4e3b\u8981\u53c2\u8003\u7684\u662f\u4e0b\u8ff0\u65f6\u95f4-\u7535\u6d41\u66f2\u7ebf\uff0c\u5373T-C curve<\/p>\n
<\/section>\n

X\u8f74\u8868\u793a\u7535\u6d41\uff1bY\u8f74\u8868\u793a\u7194\u65ad\u65f6\u95f4<\/p>\n

\"\"<\/p>\n

\u5047\u8bbe\u6545\u969c\u7535\u6d41\u662f100A\uff0c\u5728X\u8f74\u627e\u5230100A, \u753b\u4e00\u6761\u5782\u76f4\u4e8eY\u8f74\u7684\u7ebf\uff0c\u4f1a\u548c\u4e09\u6761T-C curve\u6709\u4e09\u4e2a\u4ea4\u70b9\uff0c\u4ea4\u70b9\u6c34\u5e73\u79fb\u52a8\u5230Y\u8f74\u53ef\u4ee5\u5206\u522b\u5f97\u5230\u4e09\u4e2a\u65f6\u95f4\u3002\u8fd9\u4e09\u4e2a\u65f6\u95f4\u5c31\u662f\u8fd9\u4e09\u9897fuse\u5728\u540c\u6837100A\u7684\u6761\u4ef6\u4e0b\u5206\u522b\u5bf9\u5e94\u7684\u7194\u65ad\u65f6\u95f4\u3002<\/p>\n

(1) 606040(40A fuse) ->\u7194\u65ad\u65f6\u95f4\uff1a4.5s<\/p>\n

<\/section>\n

(2) 606050(50A fuse) ->\u00a0\u7194\u65ad\u65f6\u95f4\uff1a25s<\/p>\n

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(3) 606063(63A fuse) ->\u7194\u65ad\u65f6\u95f4\uff1a150s<\/p>\n

\u53ef\u4ee5\u770b\u51fa\uff0c\u989d\u5b9a\u7535\u6d41\u8d8a\u5927\u7684fuse\uff0c\u5728\u76f8\u540c\u7535\u6d41\u7684\u6761\u4ef6\u4e0b\uff0c\u7194\u65ad\u65f6\u95f4\u8d8a\u957f\u3002\u5de5\u7a0b\u5e08\u5728\u8bbe\u8ba1\u9636\u6bb5\uff0c\u53ef\u4ee5\u901a\u8fc7T-C curve\u6765\u5927\u81f4\u4f30\u8ba1fuse\u5728\u4e0d\u540c\u6545\u969c\u7535\u6d41\u4e0b\u7684\u7194\u65ad\u65f6\u95f4\uff1b\u4e5f\u53ef\u4ee5\u6bd4\u8f83\u4e24\u9897\u4e0d\u540c\u7684fuse\u5728\u76f8\u540c\u6545\u969c\u7535\u6d41\u4e0b\u7684\u7194\u65ad\u65f6\u95f4\u3002\u8fd9\u4e9b\u90fd\u53ef\u4ee5\u5e2e\u52a9\u4ed6\u4eec\u6765\u505a\u66f4\u597d\u7684\u8bbe\u8ba1\u548c\u9009\u578b\u3002\u5f53\u7136\u9700\u8981\u6ce8\u610f\u7684\u4e00\u70b9\u662f\uff0c\u5382\u5bb6\u63d0\u4f9b\u7684T-C curve\u4e00\u822c\u90fd\u662f\u5ba4\u6e29\uff0825\u2103\uff09\u4e0b\u7684\u5e73\u5747\u6570\u636e\uff0c\u6240\u4ee5\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u4e0d\u540c\u7684\u73af\u5883\u6765\u8003\u8651\u4e00\u4e9b\u964d\u989d\u3002\uff08\u53e6\u5916\uff0c\u4e0a\u56fe\u4e2d\u8fd8\u6709\u4e00\u6761\u84dd\u8272\u768440A\u7684\u7ebf\uff0c\u5b83\u548c\u4e09\u6761T-C curve\u90fd\u6ca1\u6709\u4ea4\u70b9\uff0c\u8fd9\u8868\u793a\u572840A\u7684\u6761\u4ef6\u4e0b\uff0c\u8fd9\u4e09\u9897fuse\u572810000s\u7684\u65f6\u95f4\u5185\u90fd\u4e0d\u4f1a\u7194\u65ad\uff09<\/p>\n

<\/section>\n

\u6700\u540e\uff0c\u518d\u591a\u8bf4\u4e00\u70b9\u5173\u4e8efuse\u7684\u5feb\u65ad\u548c\u6162\u65ad\u7684\u95ee\u9898\u3002<\/p>\n

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\u9996\u5148\uff0c\u53ea\u6709IEC 60127\u8fd9\u4e2a\u6807\u51c6\u91cc\uff0c\u5bf9fuse\u662f\u6709\u660e\u786e\u7684\u975e\u5e38\u5feb\u65ad\u3001\u5feb\u65ad\u3001\u6162\u65ad\u3001\u975e\u5e38\u6162\u65ad\u7684\u5b9a\u4e49\u3002\u5982\u4e0b\u8868\uff1a<\/p>\n

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\"\"<\/p>\n

<\/section>\n

\u90a3\u4e48\u4e5f\u5c31\u662f\u8bf4\uff0cfuse\u9700\u8981\u6309\u7167\u8fd9\u4e2a\u6807\u51c6\u6765\u6d4b\u8bd5\uff0c\u624d\u4f1a\u6709\u5feb\u65ad\uff0c\u6162\u65ad\u7684\u533a\u5206\u3002\u4f46\u8fd9\u4e2a\u6807\u51c6\u5e76\u4e0d\u9002\u7528\u4e8e\u6240\u6709\u7684fuse\uff0c\u6216\u8005\u8bf4\u5f88\u591afuse\u90fd\u662f\u5728\u8fd9\u4e2a\u6807\u51c6\u5bf9\u8c61\u5916\u7684\uff0c\u8fd9\u6837\u7684\u8bdd\u4e5f\u5c31\u65e0\u6cd5\u660e\u786e\u5b9a\u4e49fuse\u7684\u5feb\u65ad\u6216\u8005\u6162\u65ad\u4e86\u3002\u6240\u4ee5\uff0c\u73b0\u5728\u4f60\u4f1a\u770b\u5230\u8d8a\u6765\u8d8a\u591a\u7684fuse\u4e0d\u4f1a\u5728datasheet\u91cc\u505a\u5feb\u65ad\u6216\u8005\u6162\u65ad\u7684\u5b9a\u4e49\uff0c\u53d6\u800c\u4ee3\u4e4b\u7684\u662f\u7ed9\u4f60I^2t\u7684\u53c2\u6570\u4ee5\u53caT-C curve\uff0c\u8ba9\u4f60\u81ea\u5df1\u6765\u8bc4\u4f30\u7194\u65ad\u65f6\u95f4\uff0c\u770b\u662f\u5426\u80fd\u591f\u6ee1\u8db3\u8bbe\u8ba1\u8981\u6c42\u3002\u8fd9\u79cd\u505a\u6cd5\u5176\u5b9e\u66f4\u8d34\u8fd1\u5b9e\u9645\u5e94\u7528\u4e5f\u66f4\u5408\u7406\u3002<\/p>\n<\/section>\n<\/section>\n<\/section>\n

\n
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<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
5. fuse\u7684\u6700\u5927\u5141\u8bb8\u6545\u969c\u7535\u6d41\uff08\u5373fuse\u7684\u5206\u65ad\u80fd\u529b\uff09<\/strong><\/section>\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
\n
Interrupting Rating = I.R.<\/p>\n
<\/section>\n

Breaking Capacity= B.C.<\/p>\n

\u4e0a\u8ff0\u4e24\u4e2a\u8bcd\u7ec4\u90fd\u6709\u53ef\u80fd\u4f1a\u51fa\u73b0\u5728fuse\u7684datasheet\u4e2d\uff0c\u610f\u601d\u90fd\u4e00\u6837\uff0c\u8868\u793afuse\u7684\u5206\u65ad\u80fd\u529b\u3002<\/p>\n

 <\/p>\n

\u9009\u578b\u7684\u6807\u51c6\u662f\uff0c\u7535\u8def\u4e2d\u7684\u6700\u5927\u6545\u969c\u7535\u6d41\uff08\u6216\u8005\u8bf4\u77ed\u8def\u7535\u6d41\uff09\u5fc5\u987b\u5c0f\u4e8efuse\u7684\u5206\u65ad\u80fd\u529b\u3002\u8fd9\u662f\u4e00\u9879\u5b89\u89c4\u6d4b\u8bd5\uff0c\u7528\u6765\u8868\u793afuse\u5728\u67d0\u4e00\u7535\u538b\u4e0b\u80fd\u5b89\u5168\u5206\u65ad\u7684\u6700\u5927\u7535\u6d41\uff0c\u5b89\u5168\u6307\u7684\u662f\u4e0d\u8d77\u706b\u3001\u4e0d\u5192\u70df\u3001\u4e0d\u7206\u70b8\u3002<\/p>\n

\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n

\uff081\uff09\u5206\u65ad\u80fd\u529b\u4f1a\u968f\u7740\u7535\u538b\u7684\u6539\u53d8\u800c\u6539\u53d8\uff0cdatasheet\u4e2d\u7ed9\u51fa\u7684\u4e00\u822c\u90fd\u662ffuse\u6700\u5927\u5de5\u4f5c\u7535\u538b\u4e0b\u7684\u5206\u65ad\u80fd\u529b\u3002\u5982\u9700\u5176\u4ed6\u7535\u538b\u4e0b\u7684\u5206\u65ad\u80fd\u529b\uff0c\u5219\u9700\u8981\u91cd\u65b0\u8bc4\u4f30\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5bf9\u4e8e\u540c\u4e00\u9897fuse\uff0c\u7535\u538b\u548c\u5206\u65ad\u80fd\u529b\u6210\u53cd\u6bd4\uff0c\u5373\u7535\u538b\u8d8a\u9ad8\u5206\u65ad\u80fd\u529b\u8d8a\u5c0f\uff1b\u7535\u538b\u8d8a\u4f4e\u5206\u65ad\u80fd\u529b\u8d8a\u5927\u3002<\/p>\n

\uff082\uff09AC\u548cDC\u7535\u538b\u4e0b\u7684\u5206\u65ad\u80fd\u529b\u4f1a\u6709\u6bd4\u8f83\u5927\u7684\u5dee\u5f02\uff0c\u4e00\u822c\u6765\u8bf4\uff0cAC\u7684\u5206\u65ad\u80fd\u529b\u4f1a\u8fdc\u5927\u4e8eDC\u7684\u5206\u65ad\u80fd\u529b\u3002\u539f\u56e0\u662fAC\u7535\u538b\u6709\u8fc7\u96f6\u70b9\uff0c\u8fd9\u4f1a\u6709\u52a9\u4e8efuse\u7194\u65ad\u65f6\u5019\u7684\u706d\u5f27\uff0c\u800cDC\u7535\u538b\u5219\u6ca1\u6709\u3002\u53c2\u8003\u4e0b\u56fe\uff1a<\/p>\n

<\/section>\n

IR =50kA@500VAC vs\u00a0IR =\u00a020kA@500VDC<\/p>\n

\"\"<\/p>\n

\uff083\uff09\u4e00\u822c\u6765\u8bf4\uff0cfuse\u7684\u5c3a\u5bf8\u548c\u5206\u65ad\u80fd\u529b\u6210\u6b63\u6bd4\uff0c\u5373\u5c3a\u5bf8\u8d8a\u5927\u5206\u65ad\u80fd\u529b\u8d8a\u5927\uff1b\u5c3a\u5bf8\u8d8a\u5c0f\u5206\u65ad\u80fd\u529b\u8d8a\u5c0f\u3002\uff08\u53c2\u8003\u4e0b\u56fe\uff09<\/p>\n

\"\"<\/p>\n<\/section>\n<\/section>\n<\/section>\n

\n
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<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
6.\u00a0\u8109\u51b2\u7535\u6d41\uff08pulse\uff09\u5bf9fuse\u9009\u578b\u7684\u5f71\u54cd<\/strong><\/section>\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
\n
\u9996\u5148\uff0c\u4e0d\u662f\u6240\u6709\u5e94\u7528\u90fd\u4f1a\u6709pulse\uff0c\u5982\u679c\u6ca1\u6709\u90a3\u5c31\u4e0d\u7528\u8003\u8651\u8fd9\u70b9\u3002\u901a\u5e38\u5f00\u5173\u7535\u6e90\u7684\u542f\u52a8\uff0c\u96f7\u51fb\u6d6a\u6d8c\u6d4b\u8bd5\uff0c\u7535\u673a\u7684\u542f\u505c\uff0c\u70ed\u63d2\u62d4\u7b49\u90fd\u4f1a\u6709\u660e\u663e\u7684pulse\uff0c\u6240\u4ee5\u5728fuse\u9009\u578b\u7684\u65f6\u5019\u5fc5\u987b\u8981\u8003\u8651\u8fd9\u4e00\u70b9\u3002\u9009\u578b\u7684\u6807\u51c6\u662f\u8ba1\u7b97pulse\u7684I^2t\uff0c\u7136\u540e\u548cfuse datasheet\u4e2d\u7684I^2t\u505a\u6bd4\u8f83\u3002pulse\u7684\u6ce2\u5f62\u5f62\u5f62\u8272\u8272\uff0c\u5404\u79cd\u5404\u6837\uff0c\u4f46\u57fa\u672c\u4e0a\u90fd\u53ef\u4ee5\u5f52\u7c7b\u4e3a\u4e0b\u56fe\u4e2dA~F\u76846\u79cd\u6ce2\u5f62\u3002\u4e3a\u4e86\u65b9\u4fbf\u8ba1\u7b97\uff0c\u4e0b\u56fe\u4e5f\u7ed9\u51fa\u4e86\u4e0d\u540c\u6ce2\u5f62\u8ba1\u7b97I^2t\u7684\u516c\u5f0f\uff0c\u9700\u8981\u77e5\u9053\u7684\u53c2\u6570\u662f\u7535\u6d41\u7684\u5cf0\u503cIp\uff0cpulse\u7684\u6301\u7eed\u65f6\u95f4t\u3002<\/p>\n
<\/section>\n

\"\"<\/p>\n

<\/section>\n
\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\uff0c\u201cE\u201d\u662f\u6700\u5e38\u89c1\u7684pulse\u6ce2\u5f62\uff0c\u6240\u4ee5\u6211\u4eec\u7ecf\u5e38\u4f1a\u7528\u4e0b\u9762\u8fd9\u4e2a\u516c\u5f0f\u6765\u8ba1\u7b97\uff1a<\/section>\n
\"\"<\/section>\n

\u770b\u4e0b\u9762\u8fd9\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\uff0cpulse\u6ce2\u5f62\u975e\u5e38\u63a5\u8fd1\u201cE\u201d, Ip=8.0A, t=0.004s<\/p>\n

\"\"<\/p>\n

pulse I^2t =1\/5 x\u00a08^2 x 0.004 = 0.0512A^2s<\/p>\n

<\/section>\n

\u7ed3\u675f\u4e86\uff1f\u522b\u6025\u8fd8\u6ca1\u5b8c\uff01fuse\u6bcf\u6b21\u627f\u53d7pulse\u51b2\u51fb\u7684\u65f6\u5019\u662f\u4f1a\u4ea7\u751f\u635f\u8017\u7684\uff0c\u8fd9\u662f\u7269\u7406\u7279\u6027\u6240\u51b3\u5b9a\u7684\uff0c\u6ca1\u6709\u529e\u6cd5\u3002\u6240\u4ee5\u6211\u4eec\u8fd8\u9700\u8981\u8003\u8651pulse\u6b21\u6570\u7684\u95ee\u9898\u3002\u4e0b\u56fe\u7ed9\u51fa\u7684\u662fpulse\u6b21\u6570\u548cpulse I^2t\/fuse I^2t\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n

\"\"<\/p>\n

\u8fd9\u91cc\u6211\u4eec\u8003\u8651\u6700\u4e25\u82db\u7684100,000\u00a0pulse\u7684\u6b21\u6570\uff0c \u90a3\u4e48<\/p>\n

<\/section>\n

fusefuseI^2t=pulseI^2t\/0.22=0.0512\/0.22=0.2327A^2s<\/p>\n

\u6240\u4ee5\u6211\u4eec\u9700\u8981\u9009\u62e9I^2t > 0.2327A^2s\u7684fuse\uff0c\u624d\u80fd\u907f\u514d\u5176\u88abpulse\u4ea7\u751f\u7684\u80fd\u91cf\u6240\u7194\u65ad\u3002\u5f53\u7136\uff0c\u8003\u8651\u5230\u4ea7\u54c1\u7684\u516c\u5dee\u4ee5\u53ca\u73af\u5883\u6e29\u5ea6\u7b49\u56e0\u7d20\uff0c\u5728\u5b9e\u9645\u9009\u578b\u4e2d\u5f80\u5f80\u4f1a\u8003\u8651\u66f4\u591a\u7684\u4f59\u91cf\u3002\u6bd4\u5982\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5982\u679c\u518d\u989d\u5916\u8003\u865150%\u7684\u4f59\u91cf\uff0c\u90a3\u4e48I^2t >\u00a00.2327\/0.5 =\u00a00.4654A^2s<\/p>\n

\u8ba9\u6211\u4eec\u6765\u5bf9\u6bd4\u4e0b\u9762\u4e24\u9897fuse A\u548cfuse B\u7684datasheet\u53c2\u6570<\/p>\n

\"\"<\/p>\n

FuseA:32VDC\/2.5A\/IR=50A, I^2t=0.1560A^2s<0.4654A^2s<\/p>\n

FuseB:32VDC\/2.5A\/IR=50A, I^2t=0.65A^2s>0.4654A^2s<\/p>\n

\u53ef\u4ee5\u770b\u5230\uff0c\u4e24\u8005\u9664\u4e86I^2t\u5176\u4f59\u53c2\u6570\u90fd\u662f\u76f8\u540c\u7684\uff0c\u800c\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2dfuse B\u663e\u7136\u662f\u66f4\u597d\u7684\u9009\u62e9\uff0c\u56e0\u4e3a\u4ed6\u7684I^2t\u5927\u4e8e\u6211\u4eec\u521a\u624d\u8ba1\u7b97\u5f97\u5230\u76840.4654A^2s<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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7. fuse\u7684\u7269\u7406\u5c3a\u5bf8<\/strong><\/section>\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
\n
fuse\u5982\u679c\u6309\u7167\u7269\u7406\u5c3a\u5bf8\u6765\u5206\u7c7b\u7684\u8bdd\uff0c\u6709\u975e\u5e38\u975e\u5e38\u591a\u7684\u79cd\u7c7b\uff0c\u8fd9\u91cc\u4e3e\u4e24\u4e2a\u6bd4\u8f83\u5e38\u89c1\u7684\u4f8b\u5b50\u629b\u7816\u5f15\u7389\u5427\uff01\uff081\uff09Cartridge fuse(\u7ba1\u72b6\u4fdd\u9669\u4e1d)\u4ee5\u7ba1\u5f84 x \u957f\u5ea6(mm)\u7684\u65b9\u5f0f\u6765\u547d\u540d\uff0c\u5176\u4e2d2AG,3AG,5AG\u662f\u6bd4\u8f83\u5e38\u89c1\u7684\u5c3a\u5bf8<\/p>\n
<\/section>\n

\"\"<\/p>\n

\uff082\uff09SMT fuse\uff08\u8d34\u7247\u4fdd\u9669\u4e1d\uff09<\/p>\n

0402\uff0c0603\uff0c1206\uff0c2410 \u8fd9\u4e9b\u662f\u548c\u8d34\u7247\u7535\u963b\uff0c\u7535\u5bb9\u76f8\u540c\u7684\u5c01\u88c5\uff0c\u4e00\u822c\u7535\u6d41\u8f83\u5c0f(<10A)\u5982\u4e0b\u56fe\uff1a<\/p>\n

\"\"<\/p>\n

10.1×3.12×3.12(mm),12.1×4.5×4.5(mm),10x10x6(mm)\u8fd9\u4e9b\u662f\u6bd4\u8f83\u7279\u6b8a\u7684\u5927\u5c3a\u5bf8SMT fuse\uff0c\u4e00\u822c\u7535\u6d41\u8f83\u5927\uff08>10A\uff09\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n

\"\"<\/p>\n<\/section>\n<\/section>\n<\/section>\n

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<\/section>\n<\/section>\n<\/section>\n<\/section>\n
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8. fuse\u7684\u5b89\u89c4\u8ba4\u8bc1<\/strong><\/section>\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
\n
\u5168\u7403\u4e3b\u8981\u7684fuse\u5b89\u89c4\u8ba4\u8bc1\u6709UL 248\u548cIEC\/EN 60127\u8fd9\u4e24\u4e2a\uff0cUL 248\u662f\u5317\u7f8e\u5730\u533a\u7684\u6807\u51c6\uff0c\u4e3b\u8981\u7528\u4e8e\u7f8e\u56fd\u548c\u52a0\u62ff\u5927\uff1bIEC\/EN 60127\u662f\u56fd\u9645\u7535\u5de5\u59d4\u5458\u4f1a\u7684\u6807\u51c6\uff0c\u4e3b\u8981\u7528\u4e8e\u6b27\u6d32\u3002\u5176\u4ed6\u56fd\u5bb6\u548c\u5730\u533a\u7684\u6807\u51c6\u5927\u90e8\u5206\u90fd\u4f1a\u5ef6\u7528\u6216\u8005\u53c2\u8003\u8fd9\u4e24\u4e2a\u6807\u51c6\u3002UL \u81ea\u5df1\u5236\u5b9a\u8ba4\u8bc1\u6807\u51c6\uff0c\u540c\u65f6\u4e5f\u81ea\u5df1\u9881\u53d1\u8bc1\u4e66\u3002<\/p>\n
<\/section>\n

IEC\/EN \u4ec5\u4ec5\u5236\u5b9a\u8ba4\u8bc1\u6807\u51c6\uff0c\u4e0d\u81ea\u5df1\u9881\u53d1\u8bc1\u4e66\uff0c\u800c\u662f\u7531\u6b27\u6d32\u5404\u4e2a\u56fd\u5bb6\u7684\u8ba4\u8bc1\u673a\u6784\u6765\u9881\u53d1\u5176\u76f8\u5e94\u7684\u8bc1\u4e66\u3002\u5982\u6bd4\u8f83\u5e38\u89c1\u7684TUV\u3001VDE\u3002<\/p>\n

\u4e0b\u9762\u4e24\u5f20\u56fe\u5c55\u793a\u4e86\u5168\u7403\u4e0d\u540c\u5730\u533a\u548c\u56fd\u5bb6\u7684\u6807\u51c6\u3001\u5b89\u89c4\u4ee5\u53ca\u7b26\u53f7\uff0c\u4f9b\u5927\u5bb6\u53c2\u8003\u3002\uff08\u56fe\u7247\u6765\u6e90\u4e8eLittelfuse\uff09<\/p>\n

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

 <\/p>\n

 <\/p>\n<\/section>\n<\/section>\n<\/section>\n

\n
\n
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\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
9. fuse\u7684\u5b89\u88c5\u65b9\u5f0f<\/strong><\/section>\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
\n
\u4e0d\u540c\u5c3a\u5bf8\u548c\u5f62\u72b6\u7684fuse\u6709\u4e0d\u540c\u7684\u5b89\u88c5\u65b9\u5f0f\uff0c\u4e0b\u9762\u4e3e\u51e0\u4e2a\u6bd4\u8f83\u5178\u578b\u7684\u4f8b\u5b50\u5427\uff01Cartridge\u7ba1\u72b6\uff1a\u9700\u8981\u914d\u5408\u5e95\u5ea7\uff0c\u5939\u5b50\uff0c\u76d2\u5b50\u7b49\u914d\u4ef6\u6765\u4f7f\u7528<\/p>\n
<\/section>\n

Axial lead\u8f74\u5411\u5f15\u7ebf\uff1a\u9700\u8981\u5bf9\u5f15\u7ebf\u8fdb\u884c\u6574\u5f62\u540e\u518d\u4f7f\u7528<\/p>\n

<\/section>\n

THT\u901a\u5b54\u76f4\u63d2\uff1aPCB\u901a\u5b54\u710a\u63a5<\/p>\n

<\/section>\n

Bolt down\u87ba\u6813\u56fa\u5b9a\uff1a\u9700\u8981\u914d\u5408\u87ba\u4e1d\u548c\u5e95\u5ea7\u6765\u8fdb\u884c\u5b89\u88c5\u548c\u56fa\u5b9a<\/p>\n

<\/section>\n

SMT\u8d34\u7247\uff1aPCB\u8868\u8d34\u710a\u63a5<\/p>\n

\"\"<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

\n
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