{"id":16280,"date":"2024-01-05T09:25:47","date_gmt":"2024-01-05T01:25:47","guid":{"rendered":"http:\/\/www.szryc.com\/?p=16280"},"modified":"2024-01-05T09:25:47","modified_gmt":"2024-01-05T01:25:47","slug":"%e7%94%b5%e8%b7%af%e8%ae%be%e8%ae%a1%e4%b8%ad%e7%9a%84%e7%88%ac%e7%94%b5%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=16280","title":{"rendered":"\u7535\u8def\u8bbe\u8ba1\u4e2d\u7684\u722c\u7535\u662f\u4ec0\u4e48\u610f\u601d"},"content":{"rendered":"

\u7535\u8def\u8bbe\u8ba1<\/u>\u4e2d\u7684\u201c\u5730\u201d\u600e\u4e48\u8bbe\u8ba1\uff0c\u600e\u4e48\u8fde\u63a5\u4e00\u76f4\u662f\u662f\u786c\u4ef6<\/u>\u5de5\u7a0b\u5e08<\/u>\u5728\u8bbe\u8ba1\u548c\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u7ecf\u5e38\u4f1a\u9047\u5230\u7684\u6311\u6218\u4e4b\u4e00\u3002\u96f7\u536f\u5bf9\u5730\u7b80\u5355\u9610\u8ff0\u5982\u4e0b\uff1a<\/p>\n

\u4e00\u3001\u201c\u5730\u201d\u7684\u79cd\u7c7b\u548c\u4f5c\u7528<\/strong><\/p>\n

\"wKgZomWVIpOAQNeTAAAdh8W1zgw968\"<\/p>\n

\u96f7\u536f\u5728\u5b9e\u9645\u7535\u8def\u8bbe\u8ba1\u4e2d\uff0c\u57fa\u672c\u4e0a\u4f1a\u7528\u5230\u5982\u4e0b\u4e09\u79cd\u7c7b\u578b\u201c\u5730\u201d\u3002<\/p>\n

\u00b7<\/strong>\u4fe1\u53f7<\/u>\u5730 (Signal Ground)<\/strong>\u3002<\/p>\n

\u4fe1\u53f7\u5730\u53c8\u5206\u4e3a\uff1a\u6570\u5b57\u5730\u548c\u6a21\u62df<\/u>\u5730\uff0c\u7535\u6e90<\/u>\u5730\u4e5f\u53ef\u4ee5\u5f52\u4e3a\u6a21\u62df\u5730\u7684\u4e00\u79cd\u3002\u4fe1\u53f7\u5730\u57fa\u672c\u4e0a\u5b58\u5728\u4e8e\u6211\u4eec\u7684\u7535\u8def\u677f\u4e2d\u3002<\/p>\n

\u00b7\u4fdd\u62a4\u5730(Protecti<\/u>ve Ground\/Earth)<\/strong>\u3002<\/p>\n

\u5927\u591a\u5b58\u5728\u4e8e\u4ea4\u6d41\u548c\u9ad8\u538b<\/u>\u7684\u4ea7\u54c1<\/u>\u4e2d\uff0c\u5f88\u591a\u60c5\u51b5\u4e0b\u6211\u4eec\u628a\u5927\u5730Earth \u4f5c\u4e3a\u4fdd\u62a4\u5730\uff0c\u662f\u4ece\u4ea7\u54c1\u7684\u5b89\u5168\u89d2\u5ea6\u8003\u8651\u7684\u63a5\u5730\u7c7b\u578b\u3002<\/p>\n

\u00b7\u673a\u58f3\u5730(Chassis Ground)<\/strong>\u3002<\/p>\n

\u4ea7\u54c1\u4e2d\u63a5\u5730\u7684\u91d1\u5c5e\u5916\u58f3\u6216\u8005\u63a5\u5730\u7684\u91d1\u5c5e\u90e8\u4ef6\u3002<\/p>\n

 <\/p>\n

\u4e8c\u3001\u63a5\u201c\u5730\u201d\u5e38\u89c1\u95ee\u9898<\/strong><\/p>\n

1\u3001\u63a5\u5730\u7535\u963b<\/u>\u8fc7\u5927<\/strong>\uff1a\u5f53\u63a5\u5730\u7535\u963b\u8fc7\u5927\u65f6\uff0c\u4f1a\u5bfc\u81f4\u63a5\u5730\u7cfb\u7edf\u5931\u6548\u6216\u4e0d\u7a33\u5b9a\uff0c\u65e0\u6cd5\u6b63\u5e38\u6392\u9664\u8bbe\u5907\u7684\u7535\u8377\u548c\u6545\u969c\u7535\u6d41<\/u>\u3002\u8fd9\u53ef\u80fd\u4f1a\u5f15\u8d77\u8bbe\u5907\u6545\u969c\u3001\u4fe1\u53f7\u5e72\u6270\u6216\u89e6\u7535\u98ce\u9669\u3002\u786c\u4ef6\u5de5\u7a0b\u5e08\u9700\u8981\u901a\u8fc7\u5408\u9002\u7684\u63a5\u5730\u8bbe\u8ba1\u548c\u7ef4\u62a4\uff0c\u786e\u4fdd\u63a5\u5730\u7535\u963b\u7b26\u5408\u89c4\u8303\u8981\u6c42\u3002<\/p>\n

2\u3001\u5730\u7ebf\u56de\u6d41\u95ee\u9898<\/strong>\uff1a\u5728\u590d\u6742\u7535\u8def\u4e2d\uff0c\u53ef\u80fd\u5b58\u5728\u5730\u7ebf\u56de\u6d41\u95ee\u9898\u3002\u8fd9\u79cd\u95ee\u9898\u901a\u5e38\u662f\u7531\u4e8e\u5730\u7ebf\u8def\u5f84\u4e0d\u826f\u6216\u5730\u7ebf\u56de\u6d41\u7535\u6d41\u8fc7\u5927\u9020\u6210\u7684\uff0c\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u5e72\u6270\u3001\u566a\u58f0\u589e\u52a0\u4ee5\u53ca\u8bbe\u5907\u6027\u80fd\u4e0b\u964d\u3002\u786c\u4ef6\u5de5\u7a0b\u5e08\u9700\u8981\u4ed4\u7ec6\u5206\u6790\u7535\u8def\uff0c\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u6765\u89e3\u51b3\u5730\u7ebf\u56de\u6d41\u95ee\u9898\u3002<\/p>\n

3\u3001\u5730\u7ebf\u5171\u4eab\u95ee\u9898<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u591a\u4e2a\u8bbe\u5907\u53ef\u80fd\u5171\u4eab\u540c\u4e00\u5730\u7ebf\u3002\u5982\u679c\u8fd9\u4e9b\u8bbe\u5907\u7684\u63a5\u5730\u65b9\u5f0f\u4e0d\u4e00\u81f4\u6216\u63a5\u5730\u7535\u52bf\u5dee\u8f83\u5927\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5730\u7ebf\u5e72\u6270\u548c\u56de\u8def\u95ed\u5408\u95ee\u9898\u3002\u786c\u4ef6\u5de5\u7a0b\u5e08\u9700\u8981\u6ce8\u610f\u8bbe\u5907\u4e4b\u95f4\u7684\u63a5\u5730\u4e00\u81f4\u6027\uff0c\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u6765\u907f\u514d\u5730\u7ebf\u5171\u4eab\u95ee\u9898\u3002<\/p>\n

4\u3001\u9759\u7535\u653e\u7535\u95ee\u9898<\/strong>\uff1a\u9759\u7535\u653e\u7535\u662f\u5728\u63a5\u5730\u4e0d\u826f\u6216\u8005\u65e0\u63a5\u5730\u60c5\u51b5\u4e0b\u5e38\u89c1\u7684\u95ee\u9898\u3002\u5f53\u8bbe\u5907\u6216\u7535\u8def\u53d7\u5230\u9759\u7535\u5f71\u54cd\u65f6\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u9759\u7535\u653e\u7535\u73b0\u8c61\uff0c\u5bfc\u81f4\u8bbe\u5907\u635f\u574f\u6216\u6545\u969c\u3002\u786c\u4ef6\u5de5\u7a0b\u5e08\u9700\u8981\u91c7\u53d6\u5408\u9002\u7684\u9632\u9759\u7535\u63aa\u65bd\uff0c\u5982\u4f7f\u7528\u9759\u7535\u9632\u62a4\u8bbe\u5907\u3001\u8bbe\u8ba1\u5408\u7406\u7684\u63a5\u5730\u7cfb\u7edf\u7b49\uff0c\u4ee5\u51cf\u5c11\u9759\u7535\u653e\u7535\u95ee\u9898\u7684\u53d1\u751f\u3002<\/p>\n

\u9047\u5230\u8fd9\u4e9b\u95ee\u9898\u600e\u4e48\u89e3\u51b3\u5462\uff0c\u96f7\u536fEMC<\/u>\u5c0f\u54e5\u5206\u4eab\u81ea\u5df1\u5728EMC\u6574\u6539\u4e2d\u4e00\u4e9b\u7ecf\u9a8c\u603b\u7ed3\u3002<\/p>\n

 <\/p>\n

\u4e09\u3001\u6570\u5b57\u5730\u548c\u6a21\u62df\u5730\u5982\u4f55\u8fde\u63a5?<\/strong><\/p>\n

\u00b7<\/strong>\u7406\u8bba\u4e00<\/p>\n

\u5f88\u591a\u7684\u8bbe\u8ba1\u8005\u90fd\u77e5\u9053\u6709\u8fd9\u6837\u7684\u4e00\u4e2a\u7406\u8bba\uff0c\u5728\u6211\u4eec\u7684\u7535\u8def\u677f\u4e2d\uff0c\u5e94\u8be5\u628a\u6570\u5b57\u5730\u548c\u6a21\u62df\u5730\u5206\u5f00\uff0c\u4ece\u800c\u6765\u51cf\u5c0f\u6570\u5b57\u7535\u8def<\/u>\u548c\u6a21\u62df\u7535\u8def\u4e4b\u95f4\u7684\u5e72\u6270\u3002<\/p>\n

\"wKgZomWVIpOAUai4AABGwepTU4k030\"<\/p>\n

\uff08\u56fe\u4e00\uff09<\/p>\n

\u5982\u56fe\u4e00\u8fd9\u4e2a\u6240\u793a\u7684\uff0c\u7eff\u8272\u90e8\u5206\u662f\u7535\u8def\u677f\uff0c\u9ec4\u8272\u8fd9\u4e24\u4e2a\u533a\u57df\u5206\u522b\u4ee3\u8868\u4e86\u6570\u5b57\u5730\u548c\u6a21\u62df\u5730\uff0c\u8fd9\u4e2a\u7406\u8bba\u8ba4\u4e3a\u6570\u5b57\u5730\u548c\u6a21\u62df\u5730\u7684\u4e24\u4e2a\u94fa\u5730\u5e73\u9762\u5e94\u8be5\u5f7b\u5e95\u5206\u5272\u5f00\u6765\uff0c\u7136\u540e\u5728\u7535\u8def\u677f\u4e0a\u7684\u67d0\u4e00\u4e2a\u70b9\u4e0a\u901a\u8fc7\u4e00\u4e2a\u5143\u4ef6\u6765\u8fde\u63a5\u3002\u8fd9\u4e2a\u5143\u4ef6\u53ef\u4ee5\u662f\u4e00\u4e2a\u96f6\u6b27\u59c6\u7535\u963b\uff0c\u6216\u8005\u662f\u4e00\u4e2a\u7535\u5bb9<\/u>\uff0c\u7535\u611f\u6216\u78c1\u73e0\u3002\u5230\u5e95\u4f7f\u7528\u54ea\u79cd\u5143\u4ef6\uff0c\u9700\u8981\u6839\u636e\u7535\u8def\u5b9e\u9645\u60c5\u51b5\u548cEMC\u6d4b\u8bd5\u7ed3\u679c\u6765\u51b3\u5b9a\u3002<\/p>\n

\u00b7<\/strong>\u7406\u8bba\u4e8c<\/p>\n

\"wKgZomWVIpOASkvQAAA2YQNAHBI710\"<\/p>\n

\uff08\u56fe\u4e8c\uff09<\/p>\n

\u5728\u7535\u8def\u677f\u7684\u67d0\u4e00\u70b9\u4e0a\u76f4\u63a5\u4f7f\u7528\u94dc\u7b94\u8fde\u63a5\u6570\u5b57\u5730\u548c\u6a21\u62df\u5730\uff0c\u5c31\u5982\u56fe\u4e8c\u6240\u793a\u3002<\/p>\n

\u4ee5\u4e0a\u4e24\u79cd\u7406\u8bba\u57fa\u672c\u4e0a\u662f\u540c\u4e00\u79cd\u7c7b\u578b\uff0c\u4e3b\u8981\u662f\u4e3b\u5f20\u6570\u5b57\u5730\u548c\u6a21\u62df\u5730\u5728\u5927\u90e8\u5206\u7684\u533a\u57df\u662f\u9700\u8981\u5206\u5f00\u7684\uff0c\u7136\u540e\u5728\u7535\u8def\u677f\u4e0a\u7684\u67d0\u4e00\u4e2a\u5730\u65b9\u901a\u8fc7\u5355\u70b9\u8fdb\u884c\u8fde\u63a5\uff0c\u8fd9\u4e2a\u5355\u70b9\u8fde\u63a5\u7684\u5730\u65b9\u6b63\u662f\u6570\u5b57\u7535\u8def\u548c\u6a21\u62df\u7535\u8def\u4e92\u76f8\u6709\u4ea4\u96c6\u53ca\u4e92\u76f8\u8fdb\u884c\u901a\u8baf\u7684\u5730\u65b9\u3002\u6240\u6709\u901a\u8baf\u7684\u4fe1\u53f7\u5c31\u5c06\u4ee5\u8fd9\u4e00\u90e8\u5206\u7684\u5730\u4f5c\u4e3a\u4e00\u4e2a\u53c2\u8003\u7684\u5e73\u9762\u3002\u56fe\u4e00\u4e2d\u8fd9\u4e00\u90e8\u5206\u4fe1\u53f7\u5c06\u627e\u4e0d\u5230\u4efb\u4f55\u4e00\u4e2a\u53c2\u8003\u7684\u5c40\u9762\uff0c\u4e5f\u5c31\u662f\u8bf4\u8fd9\u4e00\u90e8\u5206\u4fe1\u53f7\u5c06\u8de8\u8d8a\u3002<\/p>\n

\u901a\u8fc7\u4e00\u4e9b\u5b9e\u9a8c\u7684\u7ed3\u679c\u53d1\u73b0\uff0c\u4ee5\u4e0a\u8fd9\u4e24\u79cd\u5206\u5272\u6570\u5b57\u5730\u548c\u6a21\u62df\u5730\u7684\u65b9\u6cd5\u5e76\u4e0d\u80fd\u5f88\u597d\u7684\u63d0\u5347\u4fe1\u53f7\u7684\u8d28\u91cf\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u9ad8\u9891\u4fe1\u53f7\u800c\u8a00\uff0c\u56e0\u6b64\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u8bbe\u8ba1\u8005\u5f00\u59cb\u76f8\u4fe1\u7b2c\u4e09\u7ae0\u7406\u8bba\u3002<\/p>\n

\u00b7<\/strong>\u7406\u8bba\u4e09<\/p>\n

\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

\u5728\u7535\u8def\u677f\u4e0a\uff0c\u5e76\u4e0d\u533a\u5206\u6570\u5b57\u5730\u548c\u6a21\u62df\u5730\uff0c\u800c\u662f\u4f7f\u7528\u4e00\u4e2a\u5b8c\u6574\u7684\u63a5\u5730\u9762\uff0c\u4f46\u5728\u7535\u8def\u5143\u4ef6\u5e03\u5c40\u4e2d\u5c3d\u53ef\u80fd\u7684\u628a\u6570\u5b57\u7535\u8def\u548c\u6a21\u62df\u7535\u8def\u5206\u5f00\u653e\u7f6e\u3002\u90a3\u4e48\u6570\u5b57\u7535\u8def\u548c\u6a21\u62df\u7535\u8def\u4e4b\u95f4\u7684\u5206\u9694\u6211\u4eec\u9700\u8981\u9075\u5faa20H\u8fd9\u6837\u4e00\u4e2a\u51c6\u5219\uff0cH\u4ee3\u8868\u7684\u662f\u5728\u7535\u8def\u677f\u7684\u5c42\u53e0\u5806\u53e0\u4e2d\uff0c\u4fe1\u53f7\u5c42\u5230\u63a5\u5730\u5c42\u7684\u8ddd\u79bb\u3002<\/p>\n

EMC\u5c0f\u54e5\u66f4\u63a8\u8350<\/u>\u6b64\u79cd\u63a5\u5730\u65b9\u6cd5\uff0c\u5f53\u7136\u4e5f\u8981\u5177\u4f53\u7535\u8def\u5177\u4f53\u5206\u6790\u3002<\/p>\n

\"wKgZomWVIpSAeNSNAABlQGgWSaQ066\"<\/p>\n

\uff08\u56fe\u4e09\uff09<\/p>\n

\u56db\u3001\u673a\u58f3\u5730\u5982\u4f55\u8fde\u63a5<\/strong><\/p>\n

1. \u673a\u58f3\u5730\u4e0e\u5927\u5730\u8fde\u63a5 - \u4fdd\u62a4\u4f5c\u7528\u3002<\/strong><\/p>\n

\u5728\u6211\u4eec\u7684\u7cfb\u7edf\u4e2d\u5982\u679c\u6709\u4fdd\u62a4\u7528\u7684\u5927\u5730\uff0c\u9700\u8981\u5c06\u673a\u58f3\u5730\u548c\u5927\u5730\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n

\u8fd9\u79cd\u60c5\u51b5\u4e00\u822c\u662f\u53d1\u751f\u5728\u5305\u542b\u4e86\u4ea4\u6d41\u7535\u6e90\u7684\u4ea7\u54c1\u4e2d\u3002\u9700\u8981\u8fde\u63a5\u7684\u539f\u56e0\u4e3b\u8981\u662f\u4ece\u5b89\u5168\u7684\u89d2\u5ea6\u6765\u8003\u8651\u3002<\/p>\n

2. \u673a\u58f3\u5730\u4e0e\u91d1\u5c5e\u5c4f\u853d\u58f3\u7684\u63a5\u63d2\u4ef6\u8fde\u63a5 - \u5c4f\u853d\u4f5c\u7528\u3002<\/strong><\/p>\n

\u4e0b\u9762\u6765\u770b\u6765\u770b\u5982\u4f55\u5c06\u673a\u58f3\u5730\u8fde\u63a5\u5230\u5e26\u6709\u91d1\u5c5e\u5c4f\u853d\u58f3\u7684\u63a5\u63d2\u4ef6\u4e0a\u3002<\/p>\n

\u5bf9\u4e8e\u8fd9\u6837\u7684\u63a5\u63d2\u4ef6\uff0c\u6211\u4eec\u8981\u5c3d\u53ef\u80fd\u7684\u5c06\u5176\u91d1\u5c5e\u5c4f\u853d\u58f3\u548c\u673a\u58f3\u5730\u4e4b\u95f4\u8fdb\u884c360\u5ea6\u5168\u65b9\u4f4d\u7684\u7c98\u5408\uff0c\u8fd9\u6837\u505a\u662f\u4e3a\u4e86\u5bf9\u4fe1\u53f7\u8d77\u5230\u4e00\u4e2a\u5c4f\u853d\u7684\u6548\u679c\u3002<\/p>\n

3.\u00a0\u673a\u58f3\u5730\u4e0e\u9759\u7535\u653e\u7535\u5730<\/strong><\/p>\n

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