{"id":10093,"date":"2026-01-10T09:36:57","date_gmt":"2026-01-10T01:36:57","guid":{"rendered":"https:\/\/uetpcb.com\/?p=10093"},"modified":"2026-01-22T09:43:18","modified_gmt":"2026-01-22T01:43:18","slug":"what-is-gnd-in-electronics-working-types-symbol","status":"publish","type":"post","link":"https:\/\/uetpcb.com\/zh-CN\/what-is-gnd-in-electronics-working-types-symbol\/","title":{"rendered":"\u7535\u5b50\u5b66\u4e2d\u7684GND\u662f\u4ec0\u4e48\uff1f\u5de5\u4f5c\u539f\u7406\u3001\u7c7b\u578b\u53ca\u7b26\u53f7\u00a0"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">GND \u662f\u7535\u5b50\u5b66\u4e2d\u4e00\u4e2a\u57fa\u7840\u672f\u8bed\u3002\u4e8b\u5b9e\u4e0a\uff0c\u51e0\u4e4e\u6240\u6709\u73b0\u4ee3\u7528\u7535\u8bbe\u5907\u4e0a\u90fd\u4f1a\u6807\u6709\u201cGND\u201d\u5b57\u6837\u3002\u8bb8\u591a\u4eba\u5e76\u4e0d\u4e86\u89e3 GND \u7684\u542b\u4e49\uff0c\u56e0\u6b64\u4f1a\u95ee\uff1a\u201c\u7535\u5b50\u5b66\u4e2d\u7684 GND \u662f\u4ec0\u4e48\uff1f\u201d\u7406\u89e3 GND \u7684\u57fa\u672c\u6982\u5ff5\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u80fd\u4f7f\u7535\u8def\u95ed\u5408\uff0c\u4ece\u800c\u4f7f\u8bbe\u5907\u6b63\u5e38\u5de5\u4f5c\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u5982\u679c\u6ca1\u6709\u5730\u7ebf\uff08GND\uff09\uff0c\u5927\u591a\u6570\u7535\u5b50\u8bbe\u5907\u5c06\u65e0\u6cd5\u5de5\u4f5c\u6216\u51fa\u73b0\u4e0d\u53ef\u9884\u6d4b\u7684\u884c\u4e3a\u3002 \u67d0\u4e9b\u8bbe\u5907\uff08\u4f8b\u5982\u4f20\u611f\u5668\uff09\u5982\u679c\u5730\u7ebf\u8fde\u63a5\u9519\u8bef\u6216\u677e\u52a8\uff0c\u53ef\u80fd\u4f1a\u663e\u793a\u9519\u8bef\u7684\u8bfb\u6570\u3002\u5982\u679c\u60a8\u5bf9\u5730\u7ebf\u7684\u6982\u5ff5\u8fd8\u4e0d\u592a\u4e86\u89e3\uff0c\u8bf7\u4e0d\u8981\u62c5\u5fc3\uff01\u5728\u672c\u6307\u5357\u4e2d\uff0c\u6211\u5c06\u8be6\u7ec6\u8bb2\u89e3\u5173\u4e8e\u5730\u7ebf\u7684\u65b9\u65b9\u9762\u9762\uff0c\u5305\u62ec\u5176\u7c7b\u578b\u3001\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca\u91cd\u8981\u6027\u3002\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u5f00\u59cb\u5427\u3002\u00a0<\/span><\/p>\n<h2><span style=\"color: #008000;\"><b>\u7535\u5b50\u5b66\u4e2d\u7684GND\u662f\u4ec0\u4e48\uff1f<\/b><\/span><\/h2>\n<p><iframe title=\"YouTube \u89c6\u9891\u64ad\u653e\u5668\" src=\"https:\/\/www.youtube.com\/embed\/YO-Dnk6ZKrI?si=NuDp_2uC3nrFgWaD\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><br \/>\n<span style=\"font-weight: 400;\">\u8ba9\u6211\u4eec\u5148\u4eceGND\u7684\u5b9a\u4e49\u8bf4\u8d77\u3002\u00a0<\/span><\/p>\n<p><b>GND \u4ee3\u8868\u5730\u3002\u5b83\u662f\u7535\u5b50\u7535\u8def\u4e2d\u7684\u53c2\u8003\u70b9\uff0c\u901a\u5e38\u8bbe\u5b9a\u4e3a 0 \u4f0f\u7279\u3002\u7535\u8def\u4e2d\u6240\u6709\u5176\u4ed6\u7535\u538b\u90fd\u662f\u76f8\u5bf9\u4e8e\u8be5\u70b9\uff08GND\uff09\u6765\u6d4b\u91cf\u7684\u3002GND \u8fd8\u4e3a\u7535\u6d41\u63d0\u4f9b\u4e86\u4e00\u6761\u56de\u6d41\u8def\u5f84\uff0c\u786e\u4fdd\u7535\u6d41\u80fd\u591f\u6b63\u5e38\u6d41\u52a8\u3002 \u7b80\u800c\u8a00\u4e4b\uff0c\u5982\u679c\u6ca1\u6709 GND\uff0c\u7535\u8def\u5c06\u4e0d\u5b8c\u6574\uff0c\u7535\u5b50\u8bbe\u5907\u4e5f\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u7535\u6c60\u7b49\u80fd\u6e90\u4f1a\u4ea7\u751f\u7535\u80fd\u3002\u8fd9\u79cd\u7535\u80fd\u5fc5\u987b\u6d41\u56de\u80fd\u6e90\u3002\u5982\u679c\u7535\u80fd\u6d41\u56de\uff0c\u7535\u8def\u5c31\u4f1a\u95ed\u5408\uff0c\u8bbe\u5907\u5c31\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002\u4f46\u662f\uff0c\u5982\u679c\u7535\u80fd\u6ca1\u6709\u6d41\u56de\uff0c\u7535\u8def\u5c31\u4f1a\u65ad\u5f00\u3002\u56e0\u6b64\uff0c\u8bbe\u5907\u5c06\u65e0\u6cd5\u5de5\u4f5c\u3002\u00a0 GND \u662f\u5c06\u7535\u6d41\u9001\u56de\u7535\u6e90\u7684\u901a\u8def\uff0c\u4ece\u800c\u4f7f\u7535\u8def\u95ed\u5408\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u5176\u6b21\uff0c\u5730\uff08GND\uff09\u4e5f\u662f\u7535\u8def\u4e2d\u6240\u6709\u90e8\u4ef6\u8fde\u63a5\u7684\u516c\u5171\u70b9\u3002\u5982\u679c\u7535\u8def\u4e2d\u7684\u67d0\u4e9b\u90e8\u4ef6\u672a\u8fde\u63a5\u5230\u540c\u4e00\u70b9\uff0c\u5b83\u4eec\u5c31\u65e0\u6cd5\u68c0\u6d4b\u5230\u65bd\u52a0\u7684\u7535\u538b\u3002\u8fd9\u79cd\u4e0d\u4e00\u81f4\u4f1a\u5bfc\u81f4\u7535\u8def\u4e2d\u7684\u5143\u4ef6\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002\u5f53\u6240\u6709\u5143\u4ef6\u90fd\u8fde\u63a5\u5230\u540c\u4e00\u4e2a\u5730\uff08GND\uff09\u65f6\uff0c\u5b83\u4eec\u5bf9\u201c0\u4f0f\u201d\u7684\u5b9a\u4e49\u5c31\u8fbe\u6210\u4e86\u4e00\u81f4\u3002\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cGND\u5e76\u4e0d\u603b\u662f\u8fde\u63a5\u5230\u5927\u5730\u6216\u571f\u58e4\u4e0a\u3002\u4f8b\u5982\uff0c\u5728\u667a\u80fd\u624b\u673a\u7b49\u5c0f\u578b\u8bbe\u5907\u4e2d\uff0cGND\u5b9e\u9645\u4e0a\u662f\u7535\u6e90\u7684\u8d1f\u6781\u3002\u5c3d\u7ba1\u5b83\u88ab\u79f0\u4e3a\u201c\u5730\u201d\uff0c\u4f46\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u4fdd\u6301\u7535\u538b\u6c34\u5e73\u6e05\u6670\u7a33\u5b9a\uff0c\u4ee5\u786e\u4fdd\u6240\u6709\u5185\u90e8\u7535\u8def\u90e8\u4ef6\u90fd\u80fd\u9ad8\u6548\u8fd0\u884c\u3002 \u56e0\u6b64\uff0c\u4e0d\u8981\u56e0\u4e3a\u201c\u5730\u201d\u8fd9\u4e2a\u540d\u79f0\u800c\u4ea7\u751f\u6df7\u6dc6\u3002<\/span><\/p>\n<h3><strong>\u4e3a\u4ec0\u4e48\u5730\u7ebf\uff08GND\uff09\u901a\u5e38\u4e3a0\u4f0f\u7279\uff1f<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">GND \u901a\u5e38\u88ab\u8bbe\u5b9a\u4e3a 0 \u4f0f\u7279\u3002\u4e3a\u4ec0\u4e48\uff1f\u8fd9\u662f\u56e0\u4e3a\u8fd9\u6837\u80fd\u8ba9\u521d\u5b66\u8005\u66f4\u5bb9\u6613\u7406\u89e3\u7535\u5b50\u5b66\u3002\u8fd9\u6709\u52a9\u4e8e\u907f\u514d\u5728\u591a\u4e2a\u70b9\u4e0a\u6d4b\u91cf\u7535\u538b\u3002\u56e0\u6b64\uff0c\u5de5\u7a0b\u5e08\u4eec\u9009\u62e9\u4e00\u4e2a\u5171\u540c\u7684\u53c2\u8003\u70b9\uff0c\u5e76\u5c06\u5176\u8bbe\u5b9a\u4e3a 0 \u4f0f\u7279\uff08GND\uff09\u3002 \u6b63\u5982\u6211\u4e4b\u524d\u6240\u8bf4\uff0cGND\u88ab\u89c6\u4e3a\u4e00\u4e2a\u53c2\u8003\u70b9\u3002\u56e0\u6b64\uff0c\u7535\u8def\u4e2d\u6240\u6709\u5176\u4ed6\u7535\u538b\u90fd\u662f\u76f8\u5bf9\u4e8eGND\u6765\u6d4b\u91cf\u7684\u3002\u4f46\u8bf7\u6ce8\u610f\uff0cGND\u867d\u7136\u662f0\u4f0f\uff0c\u4f46\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u5b83\u6ca1\u6709\u7535\u6d41\u3002\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u5b83\u53ea\u662f\u7528\u6765\u4f5c\u4e3a\u6d4b\u91cf\u6240\u6709\u5176\u4ed6\u7535\u538b\u7684\u53c2\u8003\u70b9\u3002\u5f53\u4f60\u6d4b\u91cf\u5c71\u5cf0\u7684\u9ad8\u5ea6\u65f6\uff0c\u4f1a\u4ee5\u6d77\u5e73\u9762\uff08\u5373\u53c2\u8003\u70b9\u6216\u8d77\u70b9\uff09\u4e3a\u57fa\u51c6\u3002 \u5bf9\u5427\uff1f\u67d0\u4e2a\u5730\u70b9\u53ef\u80fd\u9ad8\u4e8e\u6216\u4f4e\u4e8e\u6d77\u5e73\u9762\u3002\u4e0d\u8fc7\uff0c\u4e3a\u4e86\u4fbf\u4e8e\u6d4b\u91cf\uff0c\u6d77\u5e73\u9762\u88ab\u8bbe\u5b9a\u4e3a\u96f6\u3002\u540c\u6837\u5730\uff0cGND\u88ab\u9009\u4f5c\u53c2\u8003\u7535\u538b\u3002\u6211\u4eec\u8bf4\u201cGND\u4e3a0\u201d\uff0c\u7136\u540e\u6d4b\u91cf\u5176\u4ed6\u6240\u6709\u7535\u538b\u76f8\u5bf9\u4e8e\u5b83\u7684\u9ad8\u4f4e\u3002\u00a0<\/span><\/p>\n<h2><b>\u4e3a\u4ec0\u4e48\u63a5\u5730\uff08GND\uff09\u5728\u7535\u5b50\u5b66\u4e2d\u5f88\u91cd\u8981\uff1f<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u5728\u4e0b\u6587\u4e2d\uff0c\u6211\u5c06\u89e3\u91caGND\u7684\u91cd\u8981\u6027\u3002\u8fd9\u5c06\u6709\u52a9\u4e8e\u60a8\u7406\u89e3\u4e3a\u4ec0\u4e48\u73b0\u4ee3\u5236\u9020\u5546\u5728\u7535\u5b50\u4ea7\u54c1\u4e2d\u4f7f\u7528GND\u3002\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u63d0\u4f9b\u53c2\u8003\u7535\u538b\uff1a<\/b><span style=\"font-weight: 400;\"> \u6b63\u5982\u6211\u4e0a\u9762\u6240\u8bf4\uff0c\u5730\uff08GND\uff09\u4e3a\u7535\u8def\u63d0\u4f9b\u4e86\u6d4b\u91cf\u7535\u538b\u7684\u53c2\u8003\u70b9\u3002\u5f53\u6211\u4eec\u8bf4\u4e00\u4e2a\u7535\u8def\u7684\u7535\u538b\u4e3a5\u4f0f\u62163\u4f0f\u65f6\uff0c\u662f\u6307\u8be5\u7535\u538b\u76f8\u5bf9\u4e8e\u5730\uff08GND\uff09\u6d4b\u5f97\u7684\u3002\u5982\u679c\u6ca1\u6709\u8fd9\u4e2a\u53c2\u8003\u70b9\uff0c\u7535\u538b\u503c\u5c31\u6beb\u65e0\u610f\u4e49\u3002\u5373\u4f7f\u6ca1\u6709\u5730\uff08GND\uff09\uff0c <\/span><a href=\"https:\/\/uetpcb.com\/zh-CN\/\"><b>PCB\u5236\u9020<\/b><\/a><span style=\"font-weight: 400;\"> \u8fd9\u662f\u4e0d\u53ef\u80fd\u7684\u3002\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u5b8c\u6210\u7535\u8def\uff1a<\/b><span style=\"font-weight: 400;\"> \u4f17\u6240\u5468\u77e5\uff0c\u5f53\u7535\u6d41\u6d41\u7ecf\u7535\u8def\u65f6\uff0c\u5fc5\u987b\u8fd4\u56de\u624d\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002\u56e0\u6b64\uff0c\u5728\u7535\u5b50\u7535\u8def\u4e2d\uff0c\u5730\u7ebf\uff08GND\uff09\u4e3a\u7535\u6d41\u63d0\u4f9b\u4e86\u8fd4\u56de\u7684\u8def\u5f84\u3002\u5f53\u7535\u6d41\u8fd4\u56de\u65f6\uff0c\u7535\u8def\u4fbf\u95ed\u5408\uff0c\u6574\u4e2a\u7535\u8def\u624d\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u786e\u4fdd\u7a33\u5b9a\u8fd0\u884c\uff1a<\/b><span style=\"font-weight: 400;\"> \u5730\u7ebf\u6709\u52a9\u4e8e\u7ef4\u6301\u7535\u538b\u6c34\u5e73\u5e76\u786e\u4fdd\u5176\u53d7\u63a7\u3002\u4e0d\u4ec5\u5982\u6b64\uff0c\u826f\u597d\u7684\u5730\u7ebf\u8fde\u63a5\u8fd8\u80fd\u964d\u4f4e\u7535\u5b50\u8bbe\u5907\u4e2d\u7684\u566a\u58f0\uff0c\u5e76\u9632\u6b62\u5143\u4ef6\u51fa\u73b0\u5f02\u5e38\u884c\u4e3a\u3002\u56e0\u6b64\uff0c\u7535\u8def\u80fd\u591f\u9ad8\u6548\u8fd0\u884c\uff0c\u786e\u4fdd\u6574\u4e2a\u7535\u5b50\u7cfb\u7edf\u5e73\u7a33\u8fd0\u4f5c\u3002\u00a0<\/span><\/li>\n<\/ul>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u786e\u4fdd\u5b89\u5168\uff1a<\/b><span style=\"font-weight: 400;\"> \u5728\u8bb8\u591a\u7cfb\u7edf\u4e2d\uff0c\u5730\u7ebf\u6709\u52a9\u4e8e\u4fdd\u62a4\u4eba\u5458\u548c\u8bbe\u5907\u3002\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462\uff1f\u5b9e\u9645\u4e0a\uff0c\u5f53\u51fa\u73b0\u591a\u4f59\u6216\u4e0d\u9700\u8981\u7684\u7535\u6d41\u65f6\uff0c\u5730\u7ebf\u4f1a\u5c06\u5176\u5b89\u5168\u5730\u5bfc\u51fa\uff0c\u4ece\u800c\u9632\u6b62\u8bbe\u5907\u635f\u574f\u6216\u4eba\u5458\u89e6\u7535\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5730\u7ebf\u4fdd\u969c\u4e86\u6574\u4e2a\u7535\u8def\u548c\u4eba\u5458\u7684\u5b89\u5168\u3002\u00a0<\/span><\/li>\n<\/ul>\n<h2><span style=\"color: #008000;\"><b>GND \u5728\u7535\u8def\u4e2d\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u8fd9\u4e9bGND\u7684\u5de5\u4f5c\u539f\u7406\u5f88\u7b80\u5355\u3002\u5b83\u4eec\u65e2\u662f\u7535\u6d41\u7684\u56de\u6d41\u8def\u5f84\uff0c\u4e5f\u662f\u7535\u8def\u4e2d\u6240\u6709\u5143\u4ef6\u7684\u516c\u5171\u8fde\u63a5\u70b9\u3002\u5982\u4e0a\u6240\u8ff0\uff0c\u7535\u6d41\u6d41\u52a8\u59cb\u7ec8\u9700\u8981\u4e00\u4e2a\u5b8c\u6574\u7684\u56de\u8def\u3002 \u4f8b\u5982\uff0c\u5728\u7535\u8def\u4e2d\uff0c\u7535\u6d41\u4ece\u7535\u6e90\u6d41\u51fa\uff0c\u6d41\u7ecf\u7535\u8def\u4e2d\u7684\u5404\u79cd\u5143\u4ef6\uff0c\u6700\u7ec8\u8fd4\u56de\u7535\u6e90\u3002\u56e0\u6b64\uff0cGND \u5c31\u662f\u5c06\u7535\u6d41\u9001\u56de\u7535\u6e90\u7684\u8def\u5f84\u3002\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u6b64\u5916\uff0cGND \u8fd8\u4f5c\u4e3a\u7535\u8def\u4e2d\u6240\u6709\u5143\u4ef6\u7684\u516c\u5171\u8fde\u63a5\u70b9\uff08\u53c2\u8003\u70b9\uff09\u3002\u7535\u8def\u4e2d\u7684\u6bcf\u4e2a\u90e8\u5206\uff0c\u5982\u7535\u963b\u3001LED\u3001\u4f20\u611f\u5668\u6216\u82af\u7247\uff0c\u90fd\u4f7f\u7528\u540c\u4e00\u4e2a GND\u3002 \u7535\u8def\u4e2d\u8fd9\u4e9b\u5143\u4ef6\u7684\u6240\u6709\u7535\u538b\u90fd\u662f\u76f8\u5bf9\u4e8e\u5730\uff08GND\uff09\u6765\u6d4b\u91cf\u7684\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5fae\u63a7\u5236\u5668\u7684\u4e00\u4e2a\u5f15\u811a\u663e\u793a\u4e3a5\u4f0f\uff0c\u8fd9\u610f\u5473\u7740\u8be5\u5f15\u811a\u7684\u7535\u538b\u6bd4\u5730\u7535\u5e73\u9ad85\u4f0f\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u5143\u4ef6\u7684\u7535\u538b\u503c\u6e05\u6670\u4e14\u4e00\u81f4\u3002<\/span><\/p>\n<h2><span style=\"color: #008000;\"><b>\u7535\u5b50\u5b66\u4e2d\u7684GND\u7c7b\u578b<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u5728\u7535\u5b50\u5b66\u4e2d\uff0c\u5730\uff08GND\uff09\u5e76\u4e0d\u603b\u662f\u76f8\u540c\u7684\u3002\u8fd9\u53d6\u51b3\u4e8e\u7528\u9014\u548c <\/span><a href=\"https:\/\/uetpcb.com\/zh-CN\/pcb-capabilities\/\"><b>PCB \u751f\u4ea7\u80fd\u529b<\/b><\/a><b>, <\/b><span style=\"font-weight: 400;\">\u5728\u7535\u5b50\u5b66\u4e2d\uff0c\u4f60\u4f1a\u53d1\u73b0\u5404\u79cd\u7c7b\u578b\u7684GND\u3002\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u6df1\u5165\u63a2\u8ba8\u4e00\u4e0b\u7535\u5b50\u5b66\u4e2d\u5e38\u7528\u7684\u51e0\u79cdGND\u7c7b\u578b\u3002\u00a0<\/span><\/p>\n<h3><b>1- \u4fe1\u53f7\u5730\uff08GND\uff09<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u6211\u8ba4\u4e3a\u4fe1\u53f7\u5730\uff08signal GND\uff09\u662f\u6700\u654f\u611f\u7684\u5730\u7c7b\u578b\u4e4b\u4e00\u3002\u8fd9\u79cd\u5730\u7c7b\u578b\u7528\u4e8e\u7535\u8def\u4e2d\u7684\u4f4e\u529f\u7387\u4fe1\u53f7\u3002\u97f3\u9891\u3001\u4f20\u611f\u5668\u8bfb\u6570\u548c\u901a\u4fe1\u6570\u636e\u90fd\u662f\u4f4e\u529f\u7387\u4fe1\u53f7\u7684\u4f8b\u5b50\u3002 \u4fe1\u53f7\u5730\u7684\u4e3b\u8981\u529f\u80fd\u662f\u4f5c\u4e3a\u8fd9\u4e9b\u5fae\u5f31\u4fe1\u53f7\u7684\u53c2\u8003\u70b9\u3002\u8fd9\u786e\u4fdd\u4e86\u8bbe\u5907\u80fd\u591f\u6b63\u786e\u8bc6\u522b\u7535\u538b\u7535\u5e73\u3002\u5982\u679c\u6ca1\u6709\u4fe1\u53f7\u5730\uff0c\u8bfb\u6570\u6216\u4fe1\u53f7\u53ef\u80fd\u4f1a\u51fa\u73b0\u6ce2\u52a8\u548c\u566a\u58f0\u3002\u539f\u56e0\u662f\u8fd9\u4e9b\u4fe1\u53f7\u5728\u4e0e\u5176\u4ed6\u5927\u7535\u6d41\u6df7\u5408\u65f6\u4f1a\u53d1\u751f\u5931\u771f\u3002\u00a0<\/span><\/p>\n<h3><b>2- \u7535\u6e90 GND<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u7535\u5b50\u8bbe\u5907\u4e2d\u5e38\u89c1\u7684\u53e6\u4e00\u79cdGND\u662f\u7535\u6e90\u5730\u3002\u5b83\u7528\u4e8e\u5904\u7406\u7535\u8def\u4e2d\u7684\u5927\u7535\u6d41\u90e8\u5206\u3002\u7535\u6e90\u5730\u57fa\u672c\u4e0a\u662f\u5c06\u5927\u91cf\u7535\u6d41\u5b89\u5168\u5730\u56de\u6d41\u81f3\u7535\u6e90\u3002\u6709\u4e86\u7535\u6e90\u5730\uff0c\u5927\u7535\u6d41\u5668\u4ef6\u5c31\u80fd\u514d\u53d7\u7535\u538b\u964d\u548c\u7535\u8def\u4e0d\u7a33\u5b9a\u7684\u5f71\u54cd\u3002 \u5728\u7535\u5b50\u8bbe\u5907\u7684\u673a\u5668\u4eba\u6216\u7535\u673a\u7535\u8def\u4e2d\uff0c\u4f60\u4f1a\u53d1\u73b0\u7535\u6e90\u5730\u3002\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u8bf7\u8bb0\u4f4f\uff0c\u7535\u673a\u9700\u8981\u5f88\u5927\u7684\u7535\u6d41\u3002\u56e0\u6b64\uff0c\u5982\u679c\u7535\u6d41\u672a\u63a5\u5730\uff0c\u53d1\u751f\u77ed\u8def\u7684\u98ce\u9669\u5c31\u4f1a\u589e\u52a0\u3002\u6b63\u56e0\u5982\u6b64\uff0c\u7535\u673a\u624d\u8fde\u63a5\u5230\u7535\u6e90\u5730\uff08GND\uff09\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u5176\u4f59\u7684\u7535\u5b50\u5143\u4ef6\uff08\u5982\u63a7\u5236\u5668\u6216\u4f20\u611f\u5668\uff09\u4e0d\u53d7\u5f71\u54cd\u3002 \u5de5\u7a0b\u5e08\u901a\u5e38\u4f1a\u5c06\u7535\u6e90\u5730\u4e0e\u4fe1\u53f7\u5730\u5206\u5f00\u3002\u8fd9\u662f\u56e0\u4e3a\u4fe1\u53f7\u5730\u975e\u5e38\u654f\u611f\uff0c\u4e14\u6d4b\u91cf\u7684\u662f\u6781\u4f4e\u7684\u7535\u538b\u3002\u5982\u679c\u5e26\u6709\u566a\u58f0\u7684\u7535\u6e90\u5730\u7535\u6d41\u6d41\u7ecf\u540c\u4e00\u63a5\u5730\u7ebf\uff0c\u4fe1\u53f7\u53ef\u80fd\u4f1a\u53d7\u5230\u5e72\u6270\u3002\u00a0<\/span><\/p>\n<h3><b>3- \u6a21\u62df\u5730\uff08GND\uff09<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u6a21\u62df\u5730\u662f\u7535\u5b50\u5b66\u4e2d\u6a21\u62df\u7535\u8def\u6240\u4f7f\u7528\u7684GND\u7c7b\u578b\u3002\u8fd9\u4e9b\u7535\u8def\u5904\u7406\u58f0\u97f3\u3001\u5149\u3001\u6e29\u5ea6\u6216\u7535\u538b\u6c34\u5e73\u7b49\u8fde\u7eed\u4fe1\u53f7\u3002\u56e0\u6b64\uff0c\u6a21\u62df\u5730\u5728\u8fd9\u4e9b\u7535\u8def\u4e2d\u4f5c\u4e3a\u6a21\u62df\u4fe1\u53f7\u7684\u53ef\u9760\u53c2\u8003\u70b9\u3002 \u5047\u8bbe\u60a8\u4f7f\u7528\u4e86\u4e00\u4e2a\u5e26\u6709\u6e29\u5ea6\u6216\u5149\u7ebf\u4f20\u611f\u5668\u5fae\u63a7\u5236\u5668\u3002\u8be5\u4f20\u611f\u5668\u57fa\u672c\u4e0a\u8fde\u63a5\u5230\u6a21\u62df\u5730\u3002\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u8fd9\u4e9b\u4f20\u611f\u5668\u7528\u4e8e\u6d4b\u91cf\u6e29\u5ea6\u6216\u5149\u7167\uff0c\u5e76\u5c06\u76f8\u5173\u4fe1\u606f\u53d1\u9001\u81f3\u8ba1\u7b97\u673a\u3002\u5bf9\u5427\uff1f\u5982\u679c\u4f20\u611f\u5668\u8fde\u63a5\u5230\u8ba1\u7b97\u673a\u6570\u5b57\u7535\u8def\u7684GND\uff0c\u53ef\u80fd\u4f1a\u5f15\u53d1\u95ee\u9898\u3002 \u6570\u5b57\u7535\u8def\u7684\u5f00\u5173\u901f\u5ea6\u5f88\u5feb\u3002\u56e0\u6b64\uff0c\u4f20\u611f\u5668\u7684\u5fae\u5f31\u4fe1\u53f7\u53ef\u80fd\u4f1a\u56e0\u6570\u5b57\u7535\u8def\u7684\u4fe1\u53f7\u5e72\u6270\u800c\u4ea7\u751f\u6df7\u6dc6\u6216\u566a\u58f0\uff0c\u5bfc\u81f4\u8bfb\u6570\u4e0d\u51c6\u786e\u3002\u4f46\u6a21\u62df\u5730\u53ef\u4ee5\u786e\u4fdd\u4f20\u611f\u5668\u7684\u8bfb\u6570\u59cb\u7ec8\u51c6\u786e\uff0c\u5373\u4f7f\u7535\u8def\u4e2d\u7684\u6570\u5b57\u7535\u8def\u5feb\u901f\u5207\u6362\u4e5f\u4e0d\u53d7\u5f71\u54cd\u3002\u00a0<\/span><\/p>\n<h3><b>4- \u6570\u5b57\u5730\uff08GND\uff09<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u6570\u5b57\u5730\u662f\u6570\u5b57\u7535\u8def\u4e2d\u4f7f\u7528\u7684\u5730\u53c2\u8003\u3002\u8fd9\u4e9b\u7535\u8def\u4e3b\u8981\u5904\u7406\u57280\u548c1\u4e4b\u95f4\u5feb\u901f\u5207\u6362\u7684\u4fe1\u53f7\u3002\u6570\u5b57\u5730\u65e2\u662f\u6570\u5b57\u7535\u6d41\u7684\u56de\u6d41\u8def\u5f84\uff0c\u4e5f\u662f\u6570\u5b57\u5143\u4ef6\u6b63\u5e38\u5de5\u4f5c\u7684\u53c2\u8003\u70b9\u3002 \u4f8b\u5982\uff0c\u5728\u5fae\u63a7\u5236\u5668\u7535\u8def\u677f\u4e0a\uff0c\u6570\u5b57\u5730\u8d1f\u8d23\u5904\u7406\u6765\u81eaLED\u548c\u6309\u94ae\u7684\u56de\u6d41\u7535\u6d41\u3002\u5f53\u6309\u94ae\u88ab\u6309\u4e0b\u65f6\uff0c\u6570\u5b57\u5730\u53ef\u9632\u6b62\u9ad8\u901f\u4fe1\u53f7\u5e72\u6270\u4f4e\u529f\u7387\u4fe1\u53f7\u3002\u00a0<\/span><\/p>\n<h3><b>5- \u63a5\u5730\uff08GND\uff09<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u5927\u5730\u63a5\u5730\u662f\u4e00\u79cd\u5178\u578b\u7684GND\u7c7b\u578b\uff0c\u5b83\u5728\u7269\u7406\u4e0a\u4e0e\u5927\u5730\u76f8\u8fde\u3002\u8fd9\u79cdGND\u7684\u4e3b\u8981\u76ee\u7684\u662f\u4fdd\u969c\u5b89\u5168\u3002\u4e3a\u4ec0\u4e48\u5462\uff1f\u6709\u65f6\uff0c\u7535\u8def\u4e2d\u4f1a\u6d41\u8fc7\u4e00\u79cd\u4e0d\u9700\u8981\u7684\u7535\u6d41\uff0c\u4ece\u800c\u5bfc\u81f4\u77ed\u8def\u3002\u8fd9\u79cd\u77ed\u8def\u53ef\u80fd\u4f1a\u5bf9\u4eba\u5458\u548c\u5468\u56f4\u73af\u5883\u9020\u6210\u5371\u9669\u3002 \u4f46\u63a5\u5730\uff08GND\uff09\u4e3a\u8fd9\u79cd\u4e0d\u9700\u8981\u7684\u7535\u6d41\u63d0\u4f9b\u4e86\u4e00\u6761\u901a\u5411\u5730\u9762\u7684\u8def\u5f84\u3002\u4f8b\u5982\uff0c\u5728\u5bb6\u5ead\u5e03\u7ebf\u4e2d\uff0c\u63d2\u5934\u7684\u7b2c\u4e09\u4e2a\u89e6\u70b9\u5c31\u8fde\u63a5\u5230\u63a5\u5730\u7aef\u3002\u5982\u679c\u7535\u5668\u5185\u90e8\u53d1\u751f\u4efb\u4f55\u610f\u5916\uff0c\u7535\u6d41\u4f1a\u5b89\u5168\u5730\u6d41\u5165\u5927\u5730\uff0c\u800c\u4e0d\u662f\u7535\u51fb\u5230\u4f60\u3002\u00a0<\/span><\/p>\n<h2><span style=\"color: #008000;\"><b>\u7535\u5b50\u5b66\u4e2d\u4f60\u5fc5\u987b\u4e86\u89e3\u7684GND\u7b26\u53f7<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u5728\u7535\u5b50\u7535\u8def\u4e2d\uff0cGND\u901a\u5e38\u7528\u7279\u6b8a\u7b26\u53f7\u8868\u793a\u3002\u60a8\u53ef\u4ee5\u5728\u624b\u518c\u3001\u7535\u8def\u56fe\u6216\u7535\u8def\u677f\u4e0a\u770b\u5230\u8fd9\u4e9b\u7b26\u53f7\u3002\u57fa\u672c\u4e0a\uff0c\u8fd9\u4e9b\u7b26\u53f7\u6709\u52a9\u4e8e\u60a8\u4e86\u89e3\u63a5\u5730\u8fde\u63a5\u7684\u4f4d\u7f6e\u3002\u4e3a\u4e86\u66f4\u6e05\u695a\u5730\u8bf4\u660e\uff0c\u8ba9\u6211\u4eec\u6765\u8ba8\u8bba\u5e76\u4e86\u89e3\u60a8\u7ecf\u5e38\u4f1a\u9047\u5230\u7684\u5e38\u89c1GND\u7b26\u53f7\u3002<\/span><\/p>\n<p><b>\u4e09\u6761\u6c34\u5e73\u7ebf\uff08\u5806\u53e0\uff09\uff1a<\/b><span style=\"font-weight: 400;\"> \u8fd9\u662f\u4f60\u6700\u5e38\u770b\u5230\u7684GND\u7b26\u53f7\u3002\u5b83\u770b\u8d77\u6765\u50cf\u4e09\u6761\u5bbd\u5ea6\u9010\u6e10\u53d8\u7a84\u7684\u6c34\u5e73\u7ebf\uff0c\u4e00\u5c42\u53e0\u5728\u4e00\u5c42\u4e0a\u3002\u5b83\u8868\u793a\u7535\u8def\u4e2d\u7535\u538b\u7684\u53c2\u8003\u70b9\u3002\u8be5\u7b26\u53f7\u5e38\u7528\u4e8e\u7535\u8def\u56fe\u548c\u539f\u7406\u56fe\u4e2d\u3002<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u5411\u4e0b\u4e09\u89d2\u5f62\uff1a<\/b><span style=\"font-weight: 400;\"> \u987e\u540d\u601d\u4e49\uff0c\u8fd9\u662f\u4e00\u4e2a\u5e26\u6709\u5411\u4e0b\u4e09\u89d2\u5f62\u7684GND\u7b26\u53f7\u3002\u5b83\u8868\u793aPCB\u4e0a\u7684\u5143\u4ef6\u6216\u5bfc\u7ebf\u8fde\u63a5\u5230\u5730\u3002\u5728\u6570\u5b57\u548c\u6a21\u62df\u7535\u8def\u56fe\u4e2d\uff0c\u4f60\u7ecf\u5e38\u4f1a\u770b\u5230\u8fd9\u4e2a\u7b26\u53f7\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u201cGND\u201d\u6807\u7b7e\uff1a <\/b><span style=\"font-weight: 400;\">\u6709\u65f6\uff0c\u5236\u9020\u5546\u4f1a\u5728\u7535\u8def\u677f\u4e0a\u76f4\u63a5\u5c06GND\u6807\u8bb0\u4e3a\u201cGND\u201d\u3002\u8fd9\u5bf9\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u662f\u4e00\u79cd\u76f4\u63a5\u3001\u7b80\u5355\u7684\u65b9\u5f0f\uff0c\u7528\u6765\u8868\u660e\u8be5\u7aef\u5b50\u8fde\u63a5\u5230\u4e86\u5730\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u63a5\u5730\u7b26\u53f7\uff1a<\/b><span style=\"font-weight: 400;\"> \u8fd9\u662f\u4e00\u4e2a\u770b\u8d77\u6765\u50cf\u4e00\u6761\u4e3b\u7ebf\uff0c\u4e0a\u9762\u6709\u4e09\u6761\u8f83\u77ed\u7684\u5411\u4e0b\u503e\u659c\u7684\u77ed\u7ebf\u7684\u7b26\u53f7\u3002\u8fd9\u4e2a\u7b26\u53f7\u4ec5\u4ec5\u4ee3\u8868\u4e0e\u5730\u7403\u7684\u7269\u7406\u8fde\u63a5\u3002\u00a0<\/span><\/li>\n<\/ul>\n<h2><span style=\"color: #008000;\"><b>GND \u5c31\u662f\u63a5\u5730\uff1a\u4e00\u4e2a\u5e38\u89c1\u7684\u8bef\u89e3\uff01<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u8bb8\u591a\u521d\u5b66\u8005\u8ba4\u4e3aGND\uff08\u5730\uff09\u548c\u5730\u7403\u5730\u662f\u540c\u4e00\u56de\u4e8b\u3002\u7136\u800c\uff0c\u8fd9\u662f\u4e00\u79cd\u8bef\u89e3\uff0c\u5e76\u4e0d\u603b\u662f\u6b63\u786e\u7684\u3002 \u6b63\u5982\u6211\u4e0a\u9762\u6240\u8bf4\uff0c\u5728\u7535\u5b50\u5b66\u4e2d\uff0cGND\u901a\u5e38\u6307\u7535\u8def\u4e2d\u4f5c\u4e3a\u6240\u6709\u7535\u538b\u6d4b\u91cf\u57fa\u51c6\u7684\u53c2\u8003\u70b9\u3002\u5b83\u7528\u4e8e\u95ed\u5408\u7535\u8def\u5e76\u4f7f\u7535\u6d41\u6d41\u901a\u3002\u4e0d\u8fc7\uff0c\u5b83\u5e76\u4e0d\u4e00\u5b9a\u5fc5\u987b\u4e0e\u5927\u5730\u7269\u7406\u8fde\u63a5\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u4f8b\u5982\uff0c\u5728\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\u4e2d\uff0c\u5176\u8d1f\u6781\u5373\u4e3aGND\u3002\u5b83\u5728\u7535\u8def\u4e2d\u7535\u4f4d\u4e3a0\u4f0f\uff0c\u4f46\u5e76\u672a\u8fde\u63a5\u5230\u5927\u5730\u3002\u76f8\u53cd\uff0c\u5927\u5730\u63a5\u5730\u59cb\u7ec8\u8fde\u63a5\u5230\u5927\u5730\u3002\u5176\u76ee\u7684\u662f\u786e\u4fdd\u5927\u578b\u3001\u590d\u6742\u7684\u7535\u5b50\u8bbe\u5907\u7684\u5b89\u5168\u3002 \u63a5\u5730\u53ef\u786e\u4fdd\u4e0d\u9700\u8981\u7684\u7535\u6d41\u6d41\u5165\u5927\u5730\u3002\u8fd9\u6837\u53ef\u4ee5\u9632\u6b62\u7535\u6d41\u6d41\u5411\u5468\u56f4\u533a\u57df\u548c\u8bbe\u5907\u672c\u8eab\u3002\u00a0<\/span><\/p>\n<h2><span style=\"color: #008000;\"><b>\u7ed3\u8bba\u00a0<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u8ba9\u6211\u4eec\u603b\u7ed3\u4e00\u4e0b\u2014\u2014GND\u662f\u7535\u5b50\u5b66\u4e2d\u6700\u5173\u952e\u7684\u6982\u5ff5\u3002\u7136\u800c\uff0c\u5149\u770b\u8fd9\u4e2a\u540d\u5b57\uff0c\u5bf9\u521d\u5b66\u8005\u6765\u8bf4\u4f3c\u4e4e\u6709\u4e9b\u6666\u6da9\u96be\u61c2\u3002 \u6b63\u56e0\u5982\u6b64\uff0c\u672c\u6587\u5c06\u8be6\u7ec6\u8bb2\u89e3\u5173\u4e8eGND\u7684\u4e00\u5207\u77e5\u8bc6\u3002GND\u662f\u201c\u5730\u201d\uff08Ground\uff09\u7684\u7f29\u5199\uff0c\u5b83\u5728\u7535\u8def\u4e2d\u4f5c\u4e3a\u6d4b\u91cf\u7535\u538b\u7684\u53c2\u8003\u70b9\uff0c\u540c\u65f6\u4e5f\u4e3a\u7535\u6d41\u63d0\u4f9b\u56de\u6d41\u8def\u5f84\uff0c\u4ece\u800c\u5b8c\u6210\u56de\u8def\u3002\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u56e0\u6b64\u53ef\u4ee5\u8bf4\uff0c\u6ca1\u6709\u5730\u7ebf\uff08GND\uff09\uff0c\u4efb\u4f55\u7535\u8def\u90fd\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u5404\u79cd\u7c7b\u578b\u7684\u5730\u7ebf\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u7535\u5b50\u8bbe\u5907\u3002\u6bcf\u79cd\u5730\u7ebf\u90fd\u80fd\u786e\u4fdd\u7535\u8def\u7684\u7279\u5b9a\u90e8\u5206\u6b63\u786e\u3001\u53ef\u9760\u5730\u5de5\u4f5c\u3002\u4e3a\u4e86\u65b9\u4fbf\u5927\u5bb6\uff0c\u5236\u9020\u5546\u4f1a\u5728\u5730\u7ebf\u4e0a\u6807\u6ce8\u4e00\u4e9b\u7b26\u53f7\u3002\u8fd9\u4e9b\u7b26\u53f7\u6307\u793a\u4e86\u5730\u7ebf\u8fde\u63a5\u7684\u4f4d\u7f6e\u3002 \u7b80\u800c\u8a00\u4e4b\uff0c\u638c\u63e1\u5173\u4e8eGND\u7684\u6240\u6709\u8fd9\u4e9b\u4fe1\u606f\uff0c\u80fd\u5e2e\u52a9\u60a8\u81ea\u4fe1\u5730\u8bbe\u8ba1\u4efb\u4f55\u7535\u8def\u677f\u3002\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>GND is a fundamental term used in electronics. In fact, you&#8217;ll see it written on almost all modern devices that use electricity. Many people don&#8217;t know the\u00a0 meaning of GND, so they ask, &#8220;What is GND in electronics?&#8221; Understanding the basics of GND is crucial because it completes the circuit and makes devices work. Without&#8230;<\/p>","protected":false},"author":6,"featured_media":9749,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-10093","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is GND in Electronics? Working, Types &amp; Symbol\u00a0 - UETPCB<\/title>\n<meta name=\"description\" content=\"What is GND in Electronics? 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