{"id":8288,"date":"2023-12-11T06:58:02","date_gmt":"2023-12-11T06:58:02","guid":{"rendered":"https:\/\/fuhua.heniw.com\/?p=8288"},"modified":"2024-10-16T17:47:50","modified_gmt":"2024-10-16T09:47:50","slug":"%e6%b5%85%e8%b0%88poe%e7%94%b5%e6%ba%90%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"https:\/\/www.fuli1qu2qu.com\/%e6%b5%85%e8%b0%88poe%e7%94%b5%e6%ba%90%e8%ae%be%e8%ae%a1\/","title":{"rendered":"\u6d45\u8c08POE\u7535\u6e90\u8bbe\u8ba1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

1.POE<\/a>\u5b9a\u4e49\uff1a<\/a><\/p>\n

POE<\/a>\u00a0(Power Over Ethernet)\u6307\u7684\u662f\u5728\u73b0\u6709\u7684\u4ee5\u592a\u7f51<\/a>Cat.5\u5e03\u7ebf\u57fa\u7840\u67b6\u6784\u4e0d\u4f5c\u4efb\u4f55\u6539\u52a8\u7684\u60c5\u51b5\u4e0b\uff0c\u5728\u4e3a\u4e00\u4e9b\u57fa\u4e8eIP\u7684\u7ec8\u7aef\uff08\u5982IP\u7535\u8bdd\u673a\u3001\u65e0\u7ebf\u5c40\u57df\u7f51<\/a>\u63a5\u5165\u70b9AP\u3001\u7f51\u7edc\u6444\u50cf\u673a<\/a>\u7b49\uff09\u4f20\u8f93\u6570\u636e\u4fe1\u53f7\u7684\u540c\u65f6\uff0c\u8fd8\u80fd\u4e3a\u6b64\u7c7b\u8bbe\u5907\u63d0\u4f9b\u76f4\u6d41\u4f9b\u7535\u7684\u6280\u672f\u3002\u00a0POE\u4e5f\u88ab\u79f0\u4e3a\u57fa\u4e8e\u5c40\u57df\u7f51\u7684\u4f9b\u7535\u7cfb\u7edf<\/a>(POL, Power overLAN )\u6216\u6709\u6e90\u4ee5\u592a\u7f51( Active Ethernet)\uff0c\u6709\u65f6\u4e5f\u88ab\u7b80\u79f0\u4e3a\u4ee5\u592a\u7f51\u4f9b\u7535\uff0c\u8fd9\u662f\u5229\u7528\u73b0\u5b58\u6807\u51c6\u4ee5\u592a\u7f51\u4f20\u8f93\u7535\u7f06\u7684\u540c\u65f6\u4f20\u9001\u6570\u636e\u548c\u7535\u529f\u7387\u7684\u6700\u65b0\u6807\u51c6\u89c4\u8303\uff0c\u5e76\u4fdd\u6301\u4e86\u4e0e\u73b0\u5b58\u4ee5\u592a\u7f51\u7cfb\u7edf\u548c\u7528\u6237\u7684\u517c\u5bb9\u6027\u3002<\/p>\n

POE\u6267\u884c\u6807\u51c6<\/p>\n

\u76ee\u524dPOE\u4e3b\u8981\u6267\u884c\u6807\u51c6\u4e3aIEEE802.3AF\u548cIEEE802.3AT\u6807\u51c6\uff0c\u6700\u65b0\u7684\u6807\u51c6\u4e3a<\/p>\n

IEEE802.3BT\u6807\u51c6\u3002\u5404\u6807\u51c6\u4e3b\u8981\u53c2\u6570\u8981\u6c42\u5982\u4e0b\uff1a<\/p>\n

IEEE802.3AF\u6807\u51c6\uff1a\u8f93\u51fa\u76f4\u6d41\u7535\u538b\u4e3a44V-57V,\u5178\u578b\u503c\u4e3a48V,\u5de5\u4f5c\u7535\u6d41\u4e3a10mA-350mA,\u6700\u5927\u8f93\u51fa\u529f\u7387\u4e3a15.4W;<\/p>\n

IEEE802.3AT\u6807\u51c6\uff1a\u8f93\u51fa\u76f4\u6d41\u7535\u538b\u4e3a44V-57V,\u5178\u578b\u503c\u4e3a48V,\u5de5\u4f5c\u7535\u6d41\u4e3a10mA-600mA,\u6700\u5927\u8f93\u51fa\u529f\u7387\u4e3a30W;<\/p>\n

IEEE802.3BT\u6807\u51c6\u624d\u521a\u521a\u63a8\u51fa\uff0c\u4e3b\u8981\u662f\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u8f93\u51fa\u529f\u7387\u548c\u8f93\u51fa\u7535\u6d41\uff0c\u6700<\/p>\n

\u5927\u8f93\u51fa\u529f\u7387\u53ef\u4ee5\u8fbe\u523090W,\u4ee5\u6ee1\u8db3\u5b9e\u9645\u5e94\u7528\u73af\u5883\u4e2d\u5bf9\u9ad8\u529f\u7387POE\u7535\u6e90\u9700\u6c42\u3002<\/p>\n

2.POE\u7535\u6e90\u5e94\u7528\u573a\u666f<\/p>\n

<\/p>\n

    \n
  1. POE\u7535\u6e90\u4f18\u7f3a\u70b9<\/li>\n<\/ol>\n

    POE\u7535\u6e90\u4f18\u70b9\uff1a<\/p>\n

    1)\u8282\u7ea6\u80fd\u6e90<\/p>\n

    \u00a0\u00a0\u56e0POE\u7535\u6e90\u5177\u6709\u529f\u7387\u8bc6\u522b\u529f\u80fd\uff0c\u53ef\u4ee5\u6839\u636e\u53d7\u7535\u8bbe\u5907\u6240\u9700\u529f\u7387\u8fdb\u884c\u81ea\u9002\u5e94\u4f9b\u7535,\u4ece\u800c\u907f\u514d\u4e86\u80fd\u6e90\u6d6a\u8d39\uff1b<\/p>\n

    2)\u964d\u4f4e\u4e86\u7ef4\u62a4\u6210\u672c\u4ee5\u53ca\u4f9b\u7535\u96be\u5ea6<\/p>\n

    \u00a0\u00a0\u4f7f\u7528POE\u4f9b\u7535\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5bf9\u4ea4\u6362\u673a\u8fdb\u884c\u96c6\u4e2d\u4f9b\u7535\uff0c\u4f9b\u7535\u8303\u56f4\u6bd4\u8f83\u96c6\u4e2d\uff0c\u7279\u522b\u662f\u89e3\u51b3\u4e86\u90e8\u5206\u573a\u666f\u65e0\u6cd5\u91c7\u7528\u5e02\u7535\u8fdb\u884c\u4f9b\u7535\u7684\u96be\u9898\u3002\u4e14\u4e0d\u7528\u5bf9\u7535\u6e90\u9002\u914d\u5668\uff0c\u7535\u6e90\u63d2\u5ea7\uff0c\u7535\u6e90\u7ebf\u8fdb\u884c\u7ef4\u62a4\uff0c\u53ea\u9700\u8981\u7ba1\u7406\u597d\u4e00\u4e2a\u7f51\u7ebf\uff0c\u964d\u4f4e\u4e86\u4f9b\u7535\u96be\u5ea6\u4ee5\u53ca\u7ef4\u62a4\u6210\u672c\uff1b<\/p>\n

    3)\u63d0\u9ad8\u4e86\u4ea7\u54c1\u5b89\u5168\u6027<\/p>\n

    \u00a0\u00a0\u901a\u8fc7POE\u4f9b\u7535\uff0c\u524d\u7aef\u6ca1\u6709\u5f3a\u7535\uff0c\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u597d\uff0c\u4e0d\u4f1a\u56e0\u4e3a\u7535\u6e90\u95ee\u9898\u53d1\u751f\u4e8b\u6545\uff0c\u5c24\u5176\u5728\u5b89\u5168\u6027\u8981\u6c42\u9ad8\u7684\u573a\u5408\uff0c\u4f18\u52bf\u66f4\u52a0\u660e\u663e\u3002<\/p>\n

    POE\u7535\u6e90\u7f3a\u70b9\uff1a<\/p>\n

    \u00a0\u00a0POE\u7535\u6e90\u56e0\u662f\u91c7\u7528\u7f51\u7ebf\u4f9b\u7535\uff0c\u4f9b\u7535\u7535\u6d41\u548c\u529f\u7387\u6536\u5230\u9650\u5236\uff0c\u65e0\u6cd5\u505a\u5230\u5f88\u5927\u3002\u76ee\u524d\u5df2\u7ecf\u6709IEEE802.3AF\u548cIEEE802.3AT\u6807\u51c6\uff0c\u6700\u65b0\u7684\u6807\u51c6IEEE802.3BT\u5df2\u7ecf\u5c06\u8f93\u51fa\u529f\u7387\u63d0\u9ad8\u523090W\u3002<\/p>\n

    4.POE\u7535\u8def\u56fe\u8bbe\u8ba1\u6ce8\u610f\uff1a<\/p>\n

    1)POE\u8f93\u51fa\u4e3b\u56de\u8def\u4e2d\u589e\u52a0\u4e32\u8054\u4e8c\u6781\u7ba1\uff0c\u6b64\u4e8c\u6781\u7ba1\u5728\u6253POE\u7f51\u53e3\u5dee\u6a21\u96f7\u51fb\u65f6\u80fd\u963b\u00a0\u6321\u6b63\u5411\u96f7\u51fb\u80fd\u91cf\uff0c\u80fd\u8d77\u5230\u5f88\u597d\u9632\u62a4\u4f5c\u7528\u3002<\/p>\n

    \u4e4b\u524d\u6709\u505a\u8fc7\u5bf9\u6bd4\uff0c\u589e\u52a0\u6b64\u4e8c\u6781\u7ba1\u53ef\u4ee5\u63d0\u5347\u5dee\u6a21\u96f7\u51fb\u80fd\u529b\u7ea6500V;<\/p>\n

    2)\u5728POE\u8f93\u51fa\u524d\u7aef\u5373\u7535\u6e90\u8f93\u51fa\u5730S_GND\u5230POE\u8f93\u51fa\u5730A_GND\u4e4b\u95f4\u53cd\u4e32\u4e00\u4e2a\u4e8c\u6781\u7ba1\uff0c\u589e\u52a0\u6b64\u4e8c\u6781\u7ba1\u53ef\u4ee5\u6709\u6548\u6539\u5584ESD\u9632\u62a4\u80fd\u529b\u548c\u96f7\u51fb\u6d6a\u6d8c\u80fd\u529b\uff1b<\/p>\n

    3)\u5728\u7f51\u7edc\u53d8\u538b\u5668\u4e24\u7aef\u589e\u52a0RC\u7f51\u7edc\u53ef\u4ee5\u5bf9POE\u00a0\u00a0EMC\u9632\u62a4\u80fd\u529b\u6709\u4e00\u5b9a\u6539\u5584.<\/p>\n

      \n
    1. PCB\u8bbe\u8ba1\u6ce8\u610f\u4e8b\u9879<\/li>\n<\/ol>\n

      1.POE IC\u00a0\u00a0A_GND\u6700\u597d\u662f\u4e00\u5757\u5b8c\u6574\u5730\uff0c\u4e0d\u8981\u5207\u5272\u3002<\/p>\n

      2.\u6570\u5b57\u5730\u4e0e\u6a21\u62df\u5730\u8981\u5206\u5f00\u3002<\/p>\n

      3.POE\u00a0\u00a0IC\u00a0\u00a0VCC\u7535\u6e90\uff0c\u9700\u8981\u589e\u52a0by pass\u7535\u5bb9\uff0c\u4e14\u8981\u9760\u8fd1\u00a0IC\u7aef\u3002<\/p>\n

      4.\u6bcf\u4e2aRS\u7535\u963b\u4e0ePOE IC\u4e4b\u95f4\u8fde\u7ebf\uff0c\u7ebf\u5bbd\u5fc5\u987b\u5927\u4e8e40mil,\u7ebf\u957f\u4e0d\u53ef\u8d85\u8fc70.5cm,\u5c3d\u91cf\u77ed\uff0c\u907f\u514d\u5f15\u5165\u5e72\u6270\uff0c\u4e14\u6240\u7528\u89c4\u683c\u5fc5\u987b\u662f1206\u4ee5\u4e0a\u89c4\u683c\u7535\u963b\uff0c\u6700\u00a0\u597d\u662f\u91c7\u7528\u4e24\u4e2a1206\u89c4\u683c\u7535\u963b\u5e76\u8054\u3002<\/p>\n

      \u5e38\u7528POE IC\u5382\u5bb6<\/p>\n

      \u73b0\u6709\u5e02\u573a\u4e0a\u4e3b\u6d41POE IC\u5382\u5bb6\u4e3b\u8981\u6709\u5982\u4e0b\u51e0\u5bb6\uff1a<\/p>\n

      1.TI,\u6b64\u5382\u5bb6\u4e3b\u8981\u4ea7\u54c1\u4e3a\u56db\u53e3\uff0c\u516b\u53e3\u4ea4\u6362\u673a\u4ea7\u54c1\uff0c\u4e14\u662f\u5916\u7f6eMOS,\u9700\u5355\u72ec\u52a0MCU\u8fdb\u884c\u7f16\u7a0b\uff0c\u5e94\u7528\u6bd4\u8f83\u590d\u6742\u3002\u8be5\u5bb6\u4ea7\u54c1\u6709\u5927\u91cf\u91cf\u4ea7\uff0c\u54c1\u8d28\u7a33\u5b9a\u3002\u5355\u53e3POE IC\u6ca1\u6709\u505a\u3002<\/p>\n

      2.Microchip,\u6b64\u5382\u5bb6POE IC\u6bd4\u8f83\u9f50\u5168\uff0c\u6709\u5355\u53e3\uff0c\u56db\u53e3\uff0c\u516b\u53e3\u90fd\u6709\uff0c\u5916\u56f4\u7535\u8def\u8bbe\u8ba1\u7b80\u5355\uff0c\u4e3a\u5185\u7f6eMOS,\u4ea7\u54c1\u5927\u91cf\u91cf\u4ea7\uff0c\u54c1\u8d28\u7a33\u5b9a\u3002<\/p>\n

      3.\u7f8e\u4fe1\uff0c\u6b64\u5382\u5bb6\u5e02\u573a\u5e94\u7528\u5c11\u4e9b\uff0c\u8be5\u5bb6\u4ea7\u54c1\u4e3b\u8981\u5e94\u7528\u4e8ePD,\u4e14\u662f\u5916\u7f6eMOS\u3002<\/p>\n

      4.\u6797\u7279\uff0c\u6b64\u5382\u5bb6\u5e02\u573a\u5e94\u7528\u5c11\u4e9b\uff0c\u8be5\u5bb6\u4ea7\u54c1\u4e3b\u8981\u5e94\u7528\u4e8ePD\u3002\u8be5\u5382\u5bb6\u5df2\u7ecf\u88ab\u00a0DIDEOS\u6536\u8d2d\u3002<\/p>\n

      \u4ee5\u4e0a\u51e0\u5bb6\u4e3a\u7f8e\u7cfb\u4ea7\u54c1\uff0c\u7279\u70b9\u662f\u5df2\u7ecf\u5728\u5e02\u573a\u4e0a\u5927\u91cf\u4f7f\u7528\uff0c\u54c1\u8d28\u7a33\u5b9a\uff0c\u4f46\u6210\u672c\u8f83\u9ad8<\/p>\n

      5.IC+,\u6b64\u5382\u5bb6POE\u4ea7\u54c1\u6bd4\u8f83\u9f50\u5168\uff0c\u6709\u56db\u53e3\uff0c\u516b\u53e3\uff0c\u5355\u53e3\u4ea7\u54c1\uff0cPD\u8fd9\u5757\u4e5f\u6709\u505a\u3002\u5e02\u573a\u4e0a\u5e94\u7528\u8f83\u591a\uff0c\u5185\u7f6eMOS,\u6709\u5927\u91cf\u91cf\u4ea7\uff0c\u54c1\u8d28\u8868\u73b0\u8fd8\u4e0d\u9519\uff0c\u6210\u672c\u4f4e\u3002<\/p>\n

      6.\u745e\u6631\uff0c\u6b64\u5382\u5bb6\u4e3b\u6d41\u4ea7\u54c1\u4e3a\u56db\u53e3\uff0c\u516b\u53e3\uff0c\u4e5f\u6709\u5355\u53e3\u4ea7\u54c1\uff0c\u4e5f\u6709\u5927\u91cf\u91cf\u4ea7\uff0c\u54c1\u8d28\u7a33\u5b9a\uff0c\u4f46\u4ef7\u683c\u8f83\u9ad8\u3002<\/p>\n

      \u4ee5\u4e0a\u4e24\u5bb6\u4e3a\u53f0\u7cfb\u5382\u5bb6\uff0c\u54c1\u8d28\u7a33\u5b9a\uff0c\u4ef7\u683c\u4e5f\u76f8\u5bf9\u4f4e\u5f88\u591a\uff0c\u7279\u522b\u662fIC+\u4ef7\u683c\u3002<\/p>\n

      7.\u6d77\u601d\uff0c\u6b64\u5382\u5bb6\u4e3a\u56fd\u5185\u4e00\u5bb6POE\u5382\u5bb6\uff0c\u89c4\u6a21\u5f88\u5c0f\uff0c\u5916\u7f6eMOS,\u5916\u56f4\u7535\u8def\u590d\u6742\u4e9b\u3002<\/p>\n

      \u00a0\u00a0\u6b64\u5382\u5bb6\u4ea7\u54c1\u4e0d\u80fd\u6ee1\u8db3POE\u6807\u51c6IEEE802.3AF\/AT\u6807\u51c6\u3002\u4ea7\u54c1\u76ee\u524d\u53ea\u6709\u5c0f\u89c4\u6a21\u751f\u4ea7\uff0c\u6ca1\u6709\u7ecf\u8fc7\u5e02\u573a\u4e0a\u5927\u91cf\u91cf\u4ea7\u51fa\u8d27\u68c0\u9a8c\uff0c\u54c1\u8d28\u8868\u73b0\u4e0d\u786e\u5b9a\u3002<\/p>\n

      8.\u6770\u534e\u7279\uff0c\u6b64\u5382\u5bb6\u4e5f\u662f\u56fd\u5185\u4e00\u5bb6POE\u5382\u5bb6\uff0c\u4ea7\u54c1\u4e3a\u5916\u7f6eMOS,\u5916\u56f4\u7535\u8def\u590d\u6742\u4e9b\uff0c\u89c4\u6a21\u5c0f\uff0cPOE\u4ea7\u54c1\u975e\u5e38\u5c11\uff0c\u4e5f\u6ca1\u6709\u5927\u91cf\u91cf\u4ea7\uff0c<\/p>\n

      \u54c1\u8d28\u8868\u73b0\u4e0d\u786e\u5b9a\u3002\u53e6\u5916\u6b64\u5bb6\u4e3b\u6d41\u4ea7\u54c1\u662f\u7535\u6e90IC\u53ca\u540c\u6b65\u6574\u6d41IC,\u6b64\u5bb6\u53ea\u6709\u7b26\u5408AF\/AT\u6807\u51c6POE 35W\u4ea7\u54c1\uff0c\u6ca1\u6709BT\u6807\u51c6POE\u4ea7\u54c1\uff0c\u9884\u8ba1\u4eca\u5e74\u5e74\u5e95\u624d\u4f1a\u63a8\u51fa\u7b26\u5408BT\u4ea7\u54c1\u3002<\/p>\n

      \u5c0f\u7ed3\uff1a\u4ece\u4ee5\u4e0a\u5e02\u573a\u4e0a\u51e0\u5bb6POE\u5382\u5bb6\u5206\u6790\u6765\u770b\uff0c\u7f8e\u7cfb\u54c1\u724c\u54c1\u8d28\u597d\uff0c\u4ef7\u683c\u4e5f\u9ad8\uff1b\u53f0\u6e7e\u54c1\u724c\u6027\u4ef7\u6bd4\u6700\u597d\uff1b\u56fd\u5185\u54c1\u724c\u4ef7\u683c\u4f18\u52bf\u660e\u663e\u3002\u8bf7<\/p>\n

      \u5927\u5bb6\u6839\u636e\u81ea\u8eab\u5ba2\u6237\u9700\u6c42\u6765\u9009\u62e9\u3002<\/p>\n

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