{"id":3491,"date":"2021-02-02T17:58:10","date_gmt":"2021-02-02T09:58:10","guid":{"rendered":"https:\/\/hongtronics.com\/?p=3491"},"modified":"2024-07-19T16:25:25","modified_gmt":"2024-07-19T08:25:25","slug":"o2-sensor-bosch-lsu42","status":"publish","type":"post","link":"https:\/\/hongtronics.com\/en\/o2-sensor-bosch-lsu42\/","title":{"rendered":"6-Wire Broadband Oxygen Sensor"},"content":{"rendered":"

\u6e2c\u8a66\u535a\u4e16\u7684\u5bec\u5e36\u6c27\u50b3\u611f\u5668\uff08LSU4.2\uff09<\/strong>                                              <\/h2>\n\n\n\n

\u8f49\u81eaSteve Smith – Pico Technology<\/p>\n\n\n\n

\u6ce8\u610f\uff1a\u9019\u7bc7\u6280\u8853\u5831\u544a\u662f\u5229\u7528Pico\u79d1\u6280\u7684PicoScope4425\u578b\u6c7d\u8eca\u793a\u6ce2\u5668\u4f5c\u70ba\u5de5\u5177\uff0c\u4e26\u4e0d\u80fd\u4f5c\u70ba\u5176\u4ed6\u4efb\u4f55\u6e2c\u8a66\u8a2d\u5099\u7684\u6307\u5c0e\u8aaa\u660e\uff0c\u4e0d\u7ba1\u8a72\u8a2d\u5099\u662f\u5426\u662f\u7531Pico\u79d1\u6280\u88fd\u9020\u7684\u3002\u9023\u63a5\u5176\u4ed6\u7684\u8a2d\u5099\u53ef\u80fd\u6703\u5c0e\u81f4\u8a2d\u5099\u640d\u58de\u6216\u8eca\u8f1b\u90e8\u4ef6\u7684\u640d\u58de<\/strong>\u3002<\/p>\n\n\n\n


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0 258 007 200\uff08\u88ab\u7a31\u70ba7200\u578b\uff09\uff0c
0 258 007 057\uff08\u88ab\u7a31\u70ba7057\u578b\uff09\u3002
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Attention:<\/strong>\u6c27\u50b3\u611f\u5668\u7684\u826f\u597d\u6027\u80fd\u53d6\u6c7a\u65bc\uff1a\u50b3\u611f\u5668\u63a2\u982d\u7684\u6eab\u5ea6\uff0c\u767c\u52d5\u6a5f\u7684\u6a5f\u68b0\u72c0\u614b\uff0c\u71c3\u6cb9\u54c1\u8cea\uff0c\u767c\u52d5\u6a5f\u6eab\u5ea6\uff0c\u50b3\u611f\u5668\u7684\u5916\u90e8\u74b0\u5883\u548c\u767c\u52d5\u6a5f\u7ba1\u7406\u7cfb\u7d71\u7684\u5b8c\u6574\u6027\u3002
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\u600e\u6a23\u5b8c\u6210\u9019\u9805\u6e2c\u8a66
\u9644\u4ef6PicoScope\u793a\u6ce2\u5668\u8a2d\u7f6e<\/strong>
1:1\u00d7TA125\u6e2c\u8a66\u5f15\u7dda ChA: \u00d71\u6e2c\u8a66\u5f15\u7dda\u00b11V <\/span>
2:1\u00d7TA126\u6e2c\u8a66\u5f15\u7dda ChB: \u00d71\u6e2c\u8a66\u5f15\u7dda\u00b11V<\/span>
3:1\u00d7TA127\u6e2c\u8a66\u5f15\u7dda  ChC: \u00d71\u6e2c\u8a66\u5f15\u7dda\u00b120V<\/span>
4:1\u00d7TA018\u96fb\u6d41\u9257               ChD :20\/60 A\u96fb\u6d41\u9257\u00b12A5:1\u00d76 \u8def\u901a\u7528\u5f15\u7dda<\/span>
\u6642\u57fa\uff1a1 s\/div(\u6240\u9700\u7684\u5927\u5c0f\u53ef\u80fd\u4e0d\u4e00\u6a23) \u63a1\u6a23\u6578\u91cf\uff1a1 MS(\u6700\u5c11)<\/p>\n\n\n\n

\"\"\/<\/figure><\/div>\n\n\n\n

\u5728\u63a1\u7528PicoScope\u793a\u6ce2\u5668\u9032\u884c\u4efb\u4f55\u6e2c\u8a66\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u6e2c\u91cf\u6821\u6e96\u96fb\u963b\u96fb\u8def\u53ca\u6c27\u50b3\u611f\u5668\u52a0\u71b1\u5143\u4ef6\u7684\u96fb\u963b\u503c\u3002\u7576\u9019\u5169\u500b\u6e2c\u91cf\u503c\u7684\u5176\u4e2d\u4efb\u4f55\u4e00\u500b\u5340\u5225\u65bc\u984d\u5b9a\u503c\u6642\u3002
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1\u3001\u600e\u6a23\u6e2c\u8a66\u6c27\u50b3\u611f\u5668\u7684\u52a0\u71b1\u5143\u4ef6<\/strong>
1\u3001\u65b7\u958b\u8eca\u8f1b\u96fb\u6c60\u8ca0\u6975\u3002
2\u3001\u65b7\u958b\u6c27\u50b3\u611f\u5668\u7684\u9023\u63a5\u5668\u63d2\u982d\u4e26\u627e\u51fa\u7aef\u5b503\u548c4.
3\u3001\u5229\u7528\u842c\u7528\u8868\uff0c\u6e2c\u91cf\u548c\u8a18\u9304\u6c27\u50b3\u611f\u5668\u7aef\u5b503\u548c4\u4e4b\u9593\u7684\u963b\u6297\u503c\uff08\u57161\uff09\u3002
\u7372\u5f97\u6578\u503c\uff1a\u5927\u7d04\u70ba3.5\u03a9@20\u2103\u3002<\/strong><\/p>\n\n\n\n

\"\"\/<\/figure><\/div>\n\n\n\n

                   Figure 1<\/p>\n\n\n\n

  • \u5982\u679c\u80fd\u7372\u5f97\u6b63\u78ba\u7684\u963b\u6297\u503c\uff0c\u8acb\u95b1\u8b80\u4e0b\u97622.2\u3002<\/li>
  • \u5982\u679c\u7372\u5f97\u7684\u963b\u6297\u503c\u8207\u984d\u5b9a\u503c\u4e0d\u4e00\u81f4\uff0c\u90a3\u9ebc\u8acb\u770b\u4e0b\u9762\u201c\u554f\u984c\u76f4\u64ca\u201d\u90e8\u5206\u3002<\/li><\/ul>\n\n\n\n

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    \u6ce8\u610f<\/strong>\uff1a\u7aef\u5b50\u7de8\u865f\u5370\u5728\u6c27\u50b3\u611f\u5668\u7684\u9023\u63a5\u5668\u4e0a\u3002<\/p>\n\n\n\n

    • \u65b7\u958b\u8eca\u8f1b\u96fb\u6c60\u8ca0\u6975\u3002<\/li>
    • \u65b7\u958b\u6c27\u50b3\u611f\u5668\u7684\u9023\u63a5\u5668\u63d2\u982d\u4e26\u63a5\u5165\u5c0d\u61c9\u76846\u8def\u901a\u7528\u5f15\u7dda\uff0c\u5229\u7528\u901a\u7528\u5f15\u7dda\u5b8c\u6210\u6c27\u50b3\u611f\u5668\u5230\u8eca\u8f1b\u7dda\u675f\u7684\u91cd\u65b0\u9023\u63a5\uff08\u57162\uff09\u3002<\/li>
    • \u5229\u7528\u842c\u7528\u8868\uff0c\u901a\u904e\u901a\u7528\u5f15\u7dda\u6e2c\u91cf\uff0c\u8a18\u9304\u6c27\u50b3\u611f\u5668\u7aef\u5b506\u548c2\u4e4b\u9593\u7684\u963b\u6297\u503c\u3002\u7372\u5f97\u6578\u503c\uff1a\u5927\u7d04\u70ba38\u03a9\u3002<\/li>
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    • \u5982\u679c\u7372\u5f97\u7684\u963b\u6297\u503c\u8207\u984d\u5b9a\u503c\u4e0d\u4e00\u81f4\uff0c\u90a3\u9ebc\u8acb\u770b\u6587\u7ae0\u6700\u5f8c\u7684\u201c\u554f\u984c\u76f4\u64ca\u201d\u90e8\u5206\u3002<\/li><\/ul>\n\n\n\n
      \"\"\/<\/figure>\n\n\n\n

                                               Figure 2<\/p>\n\n\n\n

      \"\"\/<\/figure>\n\n\n\n

                             Figure 3<\/p>\n\n\n\n

      \u600e\u6a23\u9023\u63a5\u5230PicoScope\u793a\u6ce2\u56684425\u4e00\u65e6\u963b\u6297\u503c\u80fd\u5920\u78ba\u5b9a\uff0c\u793a\u6ce2\u5668\u5c31\u53ef\u4ee5\u9023\u63a5\u5230\u6c27\u50b3\u611f\u5668\u4e0a\u4f86\u8a55\u4f30\u6c27\u50b3\u611f\u5668\u7684\u6027\u80fd\uff1a<\/p>\n\n\n\n

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      2\u3001\u9023\u63a5A\u901a\u9053\u85cd\u8272\u7684\u6e2c\u8a66\u5f15\u7dda\u5230\u8207\u6c27\u50b3\u611f\u5668\u7684\u63a5\u53e3\u7aef\u5b501\u76f8\u9023\u7684\u901a\u7528\u5f15\u7dda\u4e0a\uff0c\u9ed1\u8272\u7684\u63a5\u5730\u7dda\u9023\u63a5\u5230\u6c27\u50b3\u611f\u5668\u7684\u63a5\u53e3\u7aef\u5b505\u7684\u901a\u7528\u5f15\u7dda\u4e0a\uff08\u5728\u9019\u88e1\u6211\u5011\u80fd\u5920\u7372\u5f97\u6e2c\u91cf\u55ae\u5143\u96fb\u58d3\uff09 \u3002
      3\u3001\u9023\u63a5B\u901a\u9053\u7d05\u8272\u6e2c\u8a66\u5f15\u7dda\u5230\u8207\u6c27\u50b3\u611f\u5668\u63a5\u53e3\u7aef\u5b506\u76f8\u9023\u7684\u901a\u7528\u5f15\u7dda\u4e0a\uff0c\u4e26\u4e14\u9ed1\u8272\u7684\u63a5\u5730\u7dda\u9023\u63a5\u5230\u6c27\u50b3\u611f\u5668\u63a5\u53e3\u7aef\u5b502\u4e0a\uff08\u5728\u9019\u88e1\u6211\u5011\u80fd\u5920\u7372\u5f97\u6cf5\u55ae\u5143\u96fb\u58d3\uff09\u3002
      4\u3001\u9023\u63a5C\u901a\u9053\u7da0\u8272\u6e2c\u8a66\u5f15\u7dda\u5230\u8207\u6c27\u50b3\u611f\u5668\u63a5\u53e3\u7aef\u5b503\u76f8\u9023\u7684\u901a\u7528\u5f15\u7dda\u4e0a\uff0c\u4e26\u4e14\u9ed1\u8272\u7684\u63a5\u5730\u7dda\u9023\u63a5\u5230\u6c27\u50b3\u611f\u5668\u63a5\u53e3\u7aef\u5b504\u4e0a\uff08\u5728\u9019\u88e1\u6211\u5011\u80fd\u5920\u7372\u5f97\u6c27\u50b3\u611f\u5668\u52a0\u71b1\u5143\u4ef6\u7684\u63a7\u5236\u96fb\u58d3\uff09\u3002
      5\u3001\u9023\u63a520\/60\u5b89\u7684\u96fb\u6d41\u9257\u5230\u793a\u6ce2\u5668\u7684D\u901a\u9053\uff0c\u6b78\u96f6\uff0c\u7136\u5f8c\u5c07\u9257\u5b50\u593e\u5728\u9023\u63a5\u5230\u6c27\u50b3\u611f\u5668\u63a5\u53e3\u7aef\u5b504\u4e0a\u7684\u901a\u7528\u5f15\u7dda\u5468\u570d\uff08\u5728\u9019\u88e1\u6211\u5011\u80fd\u5920\u7372\u5f97\u6c27\u50b3\u611f\u5668\u52a0\u71b1\u5143\u4ef6\u7684\u96fb\u6d41\uff09\u3002  <\/strong><\/p>\n\n\n\n

      \u6ce8\u610f<\/strong>\uff1a\u6aa2\u67e5\u4e00\u4e0b\u96fb\u6d41\u9257\u7684\u6b63\u78ba\u65b9\u5411\uff0c\u78ba\u4fdd\u793a\u6ce2\u5668\u8b80\u5230\u4e00\u500b\u6b63\u7684\u96fb\u6d41\u503c\u30026\u3001\u901a\u904e\u55ae\u64ca\u9375\u76e4\u4e0a\u7684\u7a7a\u683c\u9375\u6216PicoScope\u8edf\u4ef6\u4e2d\u7684\u958b\u59cb<\/strong> \u6309\u9215\u4f86\u904b\u884c\u793a\u6ce2\u5668\u8edf\u4ef6\u30027\u3001\u8d77\u52d5\u767c\u52d5\u6a5f\uff0c\u4e26\u4f7f\u5f97\u7a7a\u8f49\u901f\u5ea6\u9054\u5230\u7a69\u5b9a\u3002\u5728\u6c27\u50b3\u611f\u5668\u7684\u6eab\u5ea6\u4e0a\u5347\u671f\u9593\uff0c\u4f60\u7684\u6ce2\u5f62\u4e2d\u53ef\u80fd\u5b58\u5728\u566a\u8072\u7684\u5e72\u64fe\u3002\u9019\u662f\u4e00\u500b\u5de5\u4f5c\u7279\u6027\u800c\u4e0d\u662f\u6545\u969c<\/strong>\u30028\u3001\u7576\u767c\u52d5\u6a5f\u8655\u5728\u6070\u7576\u7684\u5de5\u4f5c\u6eab\u5ea6\u4e0a\u6642\uff0c\u9032\u884c\u591a\u6b21\u7bc0\u6c23\u9580\u77ac\u6642\u5927\u958b\u7684\u8a66\u9a57\uff0c\u4e26\u540c\u6642\u76e3\u63a7\u901a\u9053B\u7684\u4fe1\u865f\uff08\u6cf5\u55ae\u5143\u96fb\u58d3\uff09\u3002\u7bc0\u6c23\u9580\u77ac\u6642\u5927\u958b\u6e2c\u8a66\u4f7f\u5f97\u7a7a\u71c3\u6bd4\u77ac\u9593\u589e\u52a0\u7136\u5f8c\u4e0b\u964d\uff0c\u9019\u8868\u73fe\u4e86\u6cf5\u55ae\u5143\u7684\u8f49\u63db\u529f\u80fd\u3002\u9ede\u64caPicoScope\u793a\u6ce2\u5668\u8edf\u4ef6\u7684\u505c\u6b62<\/strong>\uff08  \uff09\u6309\u9215\uff0c\u505c\u6b62\u6355\u6349\u4e26\u9032\u884c\u6ce2\u5f62\u7684\u5206\u6790\u3002\u793a\u4f8b\u6ce2\u5f621<\/u><\/strong>\u767c\u52d5\u6a5f\u5f9e\u6020\u901f\u5230\u7bc0\u6c23\u9580\u5168\u958b\u518d\u5230\u6020\u901f<\/p>\n\n\n\n

      \"\"\/<\/figure><\/div>\n\n\n\n

                                             Figure 4<\/p>\n\n\n\n

      \u793a\u4f8b\u6ce2\u5f62 2<\/u><\/strong>\u3000\u7d50\u5408\u6578\u5b78\u901a\u9053<\/p>\n\n\n\n

      \"\"\/<\/figure>\n\n\n\n

                                            Figure 5<\/p>\n\n\n\n

      \u5728\u793a\u4f8b\u6ce2\u5f62\u4e2d\u7684\u6240\u6709\u6578\u503c\u90fd\u662f\u5178\u578b\u7684\uff0c\u4e26\u4e0d\u4e00\u5b9a\u9069\u7528\u65bc\u6240\u6709\u7684\u767c\u52d5\u6a5f\u985e\u578b\u3002\u901a\u9053A\u6307\u793a\u6c27\u50b3\u611f\u5668\u6e2c\u91cf\u55ae\u5143\u7684\u96fb\u58d3\u503c\u3002\u901a\u9053B\u6307\u793a\u6c27\u50b3\u611f\u5668\u6cf5\u55ae\u5143\u7684\u96fb\u58d3\u3002\u901a\u9053C\u6307\u793a\u6c27\u50b3\u611f\u5668\u52a0\u71b1\u96fb\u8def\u7684PWM\u63a7\u5236\u3002\u901a\u9053D\u6307\u793a\u901a\u904e\u52a0\u71b1\u96fb\u8def\u7684\u96fb\u6d41\uff0c\u6b64\u52a0\u71b1\u96fb\u8def\u7531\u901a\u9053C\u770b\u5230\u7684PWM\u63a7\u5236\u3002\u6578\u5b78\u901a\u9053\u8868\u793a\u6cf5\u55ae\u5143\u96fb\u6d41\uff0c\u53ef\u901a\u904e\u516c\u5f0f\u901a\u9053B \/38.7\u03a9\u5f97\u5230\u3002
      \u6ce2\u5f62\u8a3a\u65b7<\/u><\/strong>
      \u53c3\u8003\u7279\u5b9a\u8a66\u9a57\u689d\u4ef6\u548c\u7d50\u679c\u4e0b\u7684\u8eca\u8f1b\u6280\u8853\u6578\u64da<\/strong>
      \u53c3\u8003\u6578\u64da\uff08\u767c\u52d5\u6a5f\u8655\u5728\u6070\u7576\u7684\u5de5\u4f5c\u6eab\u5ea6\u4e0b\uff09
      \u767c\u52d5\u6a5f\u6020\u901f\u4e2d\uff1a<\/strong>\u6c27\u50b3\u611f\u5668\u6e2c\u91cf\u55ae\u5143\u96fb\u58d3\u61c9\u8a72\u4fdd\u6301\u7a69\u5b9a\u5728450mV\u9644\u8fd1\uff0c\u4e0d\u7ba1\u767c\u52d5\u6a5f\u71c3\u6cb9\u689d\u4ef6\u5982\u4f55\u3002       <\/p>\n\n\n\n

       \u767c\u52d5\u6a5f\u6020\u901f\u4e2d\uff1a<\/strong>\u6c27\u50b3\u611f\u5668\u6cf5\u55ae\u5143\u96fb\u58d3\u6703\u589e\u52a0\u9084\u662f\u4e0b\u964d\u53d6\u6c7a\u65bc\u5728\u6392\u653e\u7cfb\u7d71\u4e2d\u6e2c\u91cf\u7684\u6c27\u542b\u91cf\u6c34\u5e73\u3002\u5728\u6b63\u5e38\u7684\u904b\u884c\u689d\u4ef6\u4e0b\uff0c\u96fb\u58d3\u6703\u4fdd\u6301\u4e0d\u8b8a\u70ba0V \uff0c\u9019\u8868\u660e\u6b63\u78ba\u7684\u7406\u8ad6\u8a08\u91cf\u7a7a\u71c3\u6bd4\u70ba14.7:1 \uff08lambda 1.0 \uff09\u3002\u6cf5\u55ae\u5143\u96fb\u58d3\u548c\u96fb\u6d41\u503c\u6709\u4ee5\u4e0b\u7279\u6027\uff1a<\/p>\n\n\n\n

      • Lambda<1.0(\u7a00)\u6cf5\u55ae\u5143\u96fb\u58d3\u4e0b\u964d\uff0c\u96fb\u6d41\u589e\u9577\uff08+\uff09<\/strong><\/li>
      • Lambda>1.0(\u6fc3)\u6cf5\u55ae\u5143\u96fb\u58d3\u589e\u9577\uff0c\u96fb\u6d41\u4e0b\u964d\uff08-\uff09<\/strong><\/li><\/ul>\n\n\n\n

        WOT \uff08\u7bc0\u6c23\u9580\u5168\u958b\uff09\u77ac\u6642\u8a66\u9a57<\/strong>\uff1a\u5728WOT\uff08+30mV\uff09\u6642\u6cf5\u55ae\u5143\u96fb\u58d3\u6709\u4e00\u6bb5\u5f88\u5c0f\u7684\u4e0a\u5347\uff0c\u9019\u662f\u56e0\u70ba\u5728\u52a0\u901f\u589e\u6fc3\u6642\u6392\u6c23\u7cfb\u7d71\u4e2d\u6c27\u542b\u91cf\u4e0b\u964d\uff08\u6c27\u6c23\u88ab\u6cf5\u5165\u6e2c\u91cf\u5ba4\u4e2d\uff09\u3002<\/p>\n\n\n\n

        \u8d85\u901f\u65b7\u6cb9\uff1a<\/strong>\u8868\u793a\u767c\u52d5\u6a5f\u5728\u8d85\u901f\u65b7\u6cb9\u7684\u689d\u4ef6\u4e0b\uff0c\u6cf5\u55ae\u5143\u96fb\u58d3\u6703\u767c\u751f\u4e0b\u964d\uff08-158mV\uff09\u3002\u6392\u6c23\u7cfb\u7d71\u4e2d\u7684\u6c27\u542b\u91cf\u56e0\u6b64\u4e5f\u6703\u589e\u9577\u3002\uff08\u6c27\u6c23\u88ab\u6cf5\u51fa\u6e2c\u91cf\u5ba4\u4e2d\uff09\u3002         \u5728WOT\u548c\u8d85\u901f\u904e\u7a0b\u4e2d\uff0c\u6cf5\u55ae\u5143\u96fb\u58d3\u7684\u9ad8\u4f4e\u8f49\u63db\u8b49\u660e\u6c27\u50b3\u611f\u5668\u5de5\u4f5c\u6b63\u5e38\u3002\u5c0d\u767c\u52d5\u6a5f\u7684\u52a0\u901f\u548c\u6e1b\u901f\u53cd\u61c9\u61c9\u8a72\u63a5\u8fd1\u77ac\u6642\uff0c\u9019\u53ef\u78ba\u8a8d\u6c27\u50b3\u611f\u5668\u7684\u53cd\u61c9\u6642\u9593\u662f\u6709\u6548\u7387\u7684\u3002\u6cf5\u55ae\u5143\u7684\u52d5\u4f5c\u901a\u5e38\u662f\u4f7f\u7528\u6beb\u5b89\u7d1a\u7684\u96fb\u6d41\u9257\u4f86\u6e2c\u91cf\uff0c\u800c\u4e0d\u662f\u6e2c\u91cf\u5b83\u7684\u96fb\u58d3\u3002\u5f9e\u4e0a\u9762\u7b2c2\u6b65<\/strong>\u9032\u884c\u7684\u6e2c\u8a66\u4e2d\u5f97\u5230\u6cf5\u55ae\u5143\u96fb\u8def\u7684\u963b\u6297\u503c\uff0c\u6211\u5011\u53ef\u4ee5\u5229\u7528\u6b50\u59c6\u5b9a\u5f8b\uff08\u96fb\u6d41=\u96fb\u58d3\/\u963b\u6297\uff09\u5c07\u8a18\u9304\u7684\u6cf5\u55ae\u5143\u96fb\u58d3\u503c\u8f49\u63db\u70ba\u96fb\u6d41\u503c\uff0c\u800c\u4e0d\u9700\u8981\u6beb\u5b89\u7d1a\u96fb\u6d41\u9257\u3002
                 \u770b\u4e0b\u9762\u7b2c7\u689d\u53ca\u793a\u4f8b\u6ce2\u5f622\uff0c\u5229\u7528\u6578\u5b78\u901a\u9053\u9032\u884c\u9019\u500b\u8a08\u7b97\uff0c\u4e26\u7528\u984d\u5916\u7684\u6ce2\u5f62\u5c07\u6cf5\u55ae\u5143\u96fb\u6d41\u986f\u793a\u51fa\u4f86\u3002<\/p>\n\n\n\n

        \u767c\u52d5\u6a5f\u904b\u884c\u4e2d<\/strong>\uff1a\u78ba\u8a8d\u52a0\u71b1\u5668\u96fb\u8def\u7684\u6700\u5927\u96fb\u6d41\uff081.6\u5b89\u57f9\uff09\u3002\u52a0\u71b1\u5668\u96fb\u6d41\u6ce2\u5f62\u61c9\u8a72\u8207\u7b2c6\u9ede\u7684PWM\u4fe1\u865f\u6210\u93e1\u50cf\u3002<\/p>\n\n\n\n

        \u767c\u52d5\u6a5f\u904b\u884c\u4e2d<\/strong>\uff1a\u52a0\u71b1\u5668\u96fb\u8def\u96fb\u58d3\u5f9e0V\u8f49\u63db\u5230\u7d0413.5V\uff0c\u9019\u78ba\u8a8d\u6c27\u50b3\u611f\u5668\u52a0\u71b1\u5143\u4ef6\u7684PWM\u63a7\u5236\u529f\u80fd\u826f\u597d\uff08>2Hz\uff09\u3002\u6c27\u50b3\u611f\u5668\u7684\u611f\u61c9\u5143\u4ef6\u6700\u4f4e\u5de5\u4f5c\u6eab\u5ea6\u70ba300 \u2103\uff0c\u4e26\u4e14\u9700\u8981\u5728\u767c\u52d5\u6a5f\u904b\u8f49\u904e\u7a0b\u4e2d\u4e00\u76f4\u5c0d\u5b83\u9032\u884c\u63a7\u5236\uff0c\u4ee5\u78ba\u4fdd\u5b83\u7684\u6709\u6548\u52d5\u4f5c\uff0c\u540c\u6642\u4fdd\u6301\u52a0\u71b1\u5143\u4ef6\u7684\u53ef\u9760\u6027\u3002           Attention:<\/strong>\u4e5f\u6709\u53ef\u80fd\u767c\u751f\u6c27\u50b3\u611f\u5668\u7684PWM\u63a7\u5236\u88abPCM\u505c\u6b62\u7684\u60c5\u6cc1\uff08\u5728\u6700\u521d\u7bc0\u6c23\u9580\u5927\u958b\u6642\uff09\u3002\u9019\u53d6\u6c7a\u65bc\u88fd\u9020\u5546\u548c\u670d\u52d9\u5546\uff0c\u76ee\u7684\u662f\u6e1b\u5c11\u8eca\u8f1b\u4e0a\u7684\u96fb\u529b\u8ca0\u8377\uff0c\u4ee5\u6539\u5584\u71c3\u6cb9\u7d93\u6fdf\u6027\u548c\u6392\u653e\u3002
                \u5728\u71b1\u8d77\u52d5\u904e\u7a0b\u4e2d\uff0cPCM\u53ef\u80fd\u6703\u6539\u8b8aPWM\u7684\u63a7\u5236\uff0c\u4f86\u4fdd\u8b49\u4e0d\u540c\u7684\u5de5\u4f5c\u74b0\u5883\u689d\u4ef6\u4e0b\u90fd\u80fd\u5145\u5206\u5730\u9a45\u6563\u6c34\/\u51b7\u51dd\u6db2\u3002<\/p>\n\n\n\n

        \u6ce2\u5f62\u6355\u6349\u5df2\u505c\u6b62\uff1a<\/strong>\u4e0a\u9762\u7684\u793a\u4f8b\u6ce2\u5f62\u4e26\u4e0d\u662f\u76f4\u63a5\u6e2c\u91cf\u901a\u904e\u6cf5\u55ae\u5143\u7684\u96fb\u6d41\uff0c\u800c\u662f\u6e2c\u91cf\u8207\u96fb\u6d41\u6210\u6bd4\u4f8b\u8b8a\u5316\u7684\u96fb\u58d3\u503c\uff08B\u901a\u9053\uff09\u3002<\/p>\n\n\n\n


        \u6e2c\u91cf\u6cf5\u55ae\u5143\u96fb\u8def\u7684\u963b\u6297\u503c\u5927\u7d04\u70ba38.7\u03a9\u3002\u6211\u5011\u80fd\u5920\u5c07\u9019\u500b\u503c\u61c9\u7528\u65bc\u7b2c5\u500b\u9ed1\u8272\u7684\u6578\u5b78\u901a\u9053<\/strong>\uff0c\u4e26\u5c07\u901a\u904eB\u901a\u9053\u6e2c\u5f97\u7684\u6cf5\u55ae\u5143\u96fb\u58d3\u503c\u5229\u7528\u6b50\u59c6\u5b9a\u5f8b\u8f49\u63db\u70ba\u96fb\u6d41\u503c\uff1a\u96fb\u6d41=\u58d3\/\u963b\u6297\u3002I=V\/R<\/strong>                     <\/p>\n\n\n\n

        \u7576\u793a\u6ce2\u5668\u5f9e\u901a\u9053B\u7372\u5f97\u6578\u64da\u5f8c\uff0c\u4f60\u6703\u767c\u73fe\u6bcf\u500b\u6355\u6349\u5c4f\u5e55\u7684\u5c3e\u90e8\u6703\u51fa\u73fe\u4e00\u500b\u7b2c5\u500b\u9ed1\u8272\u7684\u6578\u5b78\u901a\u9053<\/strong>\u3002\u505c\u6b62\u6355\u6349\u5f8c\uff08\u6309\u7a7a\u683c\u9375\u6216\u505c\u6b62\u6309\u9215\uff09\uff0c\u6578\u5b78\u901a\u9053<\/strong>\u6703\u51fa\u73fe\u5728\u5c4f\u5e55\u4e0a\u3002     \u5229\u7528\u6ce2\u5f62\u7de9\u885d\u5668\u60a8\u53ef\u4ee5\u56de\u653e\u6355\u6349\u5230\u7684\u6578\u64da\uff0c\u4e26\u6e2c\u91cf\u4f86\u81ea\u6578\u5b78\u901a\u9053\u7684\u6cf5\u55ae\u5143\u7684\u96fb\u6d41\u503c\uff08\u5176\u8207\u6cf5\u55ae\u5143\u96fb\u58d3\u503c\u76f4\u63a5\u6210\u6bd4\u4f8b\uff09\u3002<\/p>\n\n\n\n


        \u5229\u7528\u96fb\u58d3\u4e0b\u964d\u6cd5\u548c\u6b50\u59c6\u5b9a\u5f8b\u6e2c\u91cf\u5bec\u5e36\u6c27\u50b3\u611f\u5668\uff0c\u9019\u6a23\u5c31\u4e0d\u9700\u8981\u7528\u6602\u8cb4\u7684\u6beb\u5b89\u7d1a\u96fb\u6d41\u9257\u4f86\u6e2c\u91cf\u7bc4\u570d\u57280.5mA\u52303.5mA\u7684\u5fae\u5c0f\u96fb\u6d41\u503c\u3002

        \u66f4\u591a\u4fe1\u606f<\/u>\u535a\u4e16\uff08LSU\uff094.2\u5bec\u5e36\u6c27\u50b3\u611f\u5668<\/strong>
        \u73fe\u4ee3\u7684\u6392\u653e\u6cd5\u898f\u8981\u6c42\u767c\u52d5\u6a5f\u7684\u7ba1\u7406\u7cfb\u7d71\u5728\u767c\u52d5\u6a5f\u8f49\u901f\u8207\u8ca0\u8377\u7bc4\u570d\u5167\u6709\u66f4\u70ba\u56b4\u683c\u7684\u63a7\u5236\u3002\u50b3\u7d71\u7684\u6c27\u50b3\u611f\u5668\u80fd\u5920\u7cbe\u78ba\u5730\u6aa2\u6e2c\u5230\u7406\u8ad6\u7a7a\u71c3\u6bd4\u70ba14.7:1\uff08Lambda 1.0\uff09\uff0c\u6b64\u6642\u5b83\u7684\u8f38\u51fa\u96fb\u58d3\u7d04\u70ba450mV\u3002\u7136\u800c\uff0c\u5728\u7406\u8ad6\u9ede\u5916\uff0c\u50b3\u7d71\u7684\u6c27\u50b3\u611f\u5668\u6703\u8f38\u51fa\u904e\u6fc3\u4fe1\u865f\uff08900mV\uff09\u6216\u904e\u7a00\u4fe1\u865f\uff08100mV\uff09\uff0c\u4f46\u6c92\u6709\u4efb\u4f55\u8de1\u8c61\u8868\u660e\u904e\u6fc3\u6216\u904e\u7a00\u7684\u7a0b\u5ea6\u3002\u56e0\u6b64\u767c\u52d5\u6a5f\u7ba1\u7406\u7cfb\u7d71\u6703\u901a\u904e\u53cd\u590d\uff08\u6fc3\/\u7a00\uff09\u5730\u8abf\u6574\u71c3\u6cb9\uff08\u9589\u74b0\u63a7\u5236\uff09\u4f86\u9032\u884c\u88dc\u511f\uff0c\u8a66\u5716\u7dad\u6301\u6b63\u78ba\u7684\u7406\u8ad6\u7a7a\u71c3\u6bd4\u3002\u50b3\u7d71\u7684\u6c27\u50b3\u611f\u5668\u50c5\u80fd\u5728\u5f88\u5c0f\u7684\u7a7a\u71c3\u6bd4\uff0814.7:1\uff09\u7bc4\u570d\u5167\u7cbe\u78ba\u5de5\u4f5c\uff0c\u56e0\u6b64\u547d\u540d\u70ba\u7a84\u983b\u5e36\u6c27\u50b3\u611f\u5668\u3002<\/p>\n\n\n\n


        \u5c0d\u66f4\u9ad8\u7cbe\u5ea6\u3001\u66f4\u5feb\u901f\u7684\u53cd\u61c9\u6642\u9593\u53ca\u7a69\u5b9a\u6027\u7684\u9700\u6c42\u4f7f\u5f97\u50b3\u7d71\u7684\u7a84\u983b\u5e36\u6c27\u50b3\u611f\u5668\u5f97\u5230\u4e86\u518d\u4e00\u6b21\u767c\u5c55\u2014\u2014\u5bec\u5e36\u6c27\u50b3\u611f\u5668\u3002<\/p>\n\n\n\n


        \u5bec\u5e36\u6c27\u50b3\u611f\u5668\u7d93\u5e38\u88ab\u7a31\u70ba\u5bec\u983b\u6c27\u50b3\u611f\u5668\u6216\u7a7a\u71c3\u6bd4\u50b3\u611f\u5668\uff08AFR\u50b3\u611f\u5668\uff09\uff0c\u53ef\u4ee5\u5b89\u88dd\u5728\u6c7d\u6cb9\/\u67f4\u6cb9\u767c\u52d5\u6a5f\u8eca\u8f1b\u4e0a\u3002<\/p>\n\n\n\n


        \u547d\u540d\u70ba\u5bec\u5e36<\/strong>\u662f\u56e0\u70ba\u50b3\u611f\u5668\u80fd\u5920\u7cbe\u78ba\u5730\u63a2\u6e2c\u81ea10:1\u81f320:1\uff0820:1\u662f\u74b0\u5883\u7a7a\u6c23\uff09\u7684\u5bec\u983b\u8b5c\u7684\u7a7a\u71c3\u6bd4\uff0c\u800c\u4e0d\u50cf\u7a84\u983b\u5e36\u50b3\u611f\u5668\u53ea\u80fd\u5920\u63a2\u6e2c\u7406\u8ad6\u7a7a\u71c3\u6bd414.7:1\u3002<\/p>\n\n\n\n


        \u5bec\u5e36\u6c27\u50b3\u611f\u5668\u7684\u6e2c\u91cf\u55ae\u5143\u5305\u542b\u4e86\u7a84\u983b\u5e36\u50b3\u611f\u5668\u7684\u90e8\u5206\u5de5\u4f5c\u7279\u6027\u3002\u6e2c\u91cf\u55ae\u5143\u7684\u4e00\u5074\u66b4\u9732\u5728\u5927\u6c23\u7a7a\u6c23\uff08\u53c3\u8003\u7a7a\u6c23\uff09\u4e2d\uff0c\u53e6\u4e00\u5074\u66b4\u9732\u5728\u6e2c\u91cf\u5ba4\u88e1\u7684\u6392\u6c23\u6c27\u6c23\u4e2d\u3002\u5047\u8a2d\u6e2c\u91cf\u5ba4\u4e2d\u7684\u6c27\u6c23\u542b\u91cf\u7dad\u6301\u5728\u4e00\u500b\u6307\u5b9a\u7684\u6c34\u5e73\uff0c\u90a3\u9ebc\u5f9e\u5bec\u5e36\u6c27\u50b3\u611f\u5668\u6e2c\u91cf\u5ba4\u8f38\u51fa\u5230PCM\uff08\u901a\u9053A\uff09\u7684\u96fb\u58d3\u70ba450mV\u3002<\/p>\n\n\n\n


        \u7dad\u6301\u6e2c\u91cf\u5ba4\u4e2d\u6070\u7576\u7684\u6c27\u6c23\u6c34\u5e73\u662f\u6700\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u6240\u6709\u71c3\u6cb9\u689d\u4ef6\u4e0b\u6e2c\u91cf\u55ae\u5143\u7684\u8f38\u51fa\u96fb\u58d3\u76e1\u53ef\u80fd\u63a5\u8fd1450mV\u3002<\/p>\n\n\n\n


        \u6cf5\u55ae\u5143\u7684\u7279\u6027\u662f\uff0c\u6839\u64da\u901a\u904e\u6cf5\u55ae\u5143\uff08PCM\u63a7\u5236\uff09\u7684\u96fb\u6d41\u503c\u548c\u65b9\u5411\uff0c\u6c27\u6c23\u80fd\u5920\u88ab\u6cf5\u5165\u6216\u6cf5\u51fa\u6e2c\u91cf\u5ba4\uff0c\u5f9e\u800c\u4f7f\u5f97\u6e2c\u91cf\u55ae\u5143\u7684\u8f38\u51fa\u96fb\u58d3\u7dad\u6301\u5728450mV\u3002\u56e0\u6b64\uff0c\u6cf5\u55ae\u5143\u7684\u96fb\u6d41\u53ef\u4ee5\u7528\u4f86\u76f4\u63a5\u4e14\u7cbe\u78ba\u7684\u6307\u793a\u6392\u6c23\u6c27\u542b\u91cf\u5c0e\u81f4\u7684\u5bec\u983b\u7a7a\u71c3\u6bd4\u3002<\/p>\n\n\n\n


        \u5bec\u5e36\u6c27\u50b3\u611f\u5668\u52a0\u71b1\u5143\u4ef6\u7684\u63a7\u5236\u5c0d\u50b3\u611f\u5668\u5de5\u4f5c\u7684\u6e96\u78ba\u6027\u975e\u5e38\u95dc\u9375\u3002\u6c27\u50b3\u611f\u5668\u4e00\u76f4\u4e0d\u88ab\u52a0\u71b1\u5c31\u6703\u5c0e\u81f4\u963b\u585e\uff0c\u4e26\u6703\u88ab\u66f4\u65b0\u66ff\u63db\uff1b\u540c\u6642\u50b3\u611f\u5668\u5167\u7684\u96fb\u5316\u5b78\u53cd\u61c9\u78ba\u4fdd\u4e86\u6c27\u6c23\u7684\u904b\u200b\u200b\u8f38\u548c\u96fb\u58d3\u7684\u7522\u751f\uff0c\u5982\u679c\u4e0d\u7dad\u6301\u6c27\u50b3\u611f\u5668\u6eab\u5ea6\uff0c\u9019\u4e9b\u90fd\u4e0d\u6703\u767c\u751f\u3002<\/p>\n\n\n\n

        \"\"\/<\/figure>\n\n\n\n

                                              Figure 6<\/p>\n\n\n\n

        \u554f\u984c\u76f4\u64ca\u6c27\u50b3\u611f\u5668\u52a0\u71b1\u5143\u4ef6<\/strong>
        \u5728\u6b65\u9a5f1\u4e2d\u7372\u53d6\u7684\u6c27\u50b3\u611f\u5668\u52a0\u71b1\u5143\u4ef6\u7684\u963b\u6297\u503c\u8207\u984d\u5b9a\u503c\u662f\u4e0d\u540c\u7684\uff0820\u2103\u6642\u5927\u7d04\u70ba4.5\u03a9\uff09\uff0c\u61c9\u8a72\u66ff\u63db\u6c27\u50b3\u611f\u5668\u3002<\/p>\n\n\n\n

        • \u6aa2\u67e5\u63d2\u81733\u548c4\u4e4b\u9593\u7684\u77ed\u8def\uff0c\u5176\u4ed6\u63d2\u81731\u30012\u30015\u548c6.>1M\u03a9.<\/li>
        • \u6aa2\u67e5\u63d2\u81733\u548c4\u4e4b\u9593\u7684\u77ed\u8def\uff0c\u4e26\u6aa2\u6e2c\u6c27\u50b3\u611f\u5668\u5916\u90e8\u91d1\u5c6c\u6bbc\uff08\u5e95\u76e4\u63a5\u5730\uff09\u963b\u6297\u503c>1M\u03a9\u3002\u5982\u679c\u7372\u5f97\u7684\u963b\u6297\u503c\u4f4e\u65bc1M\u03a9\uff0c\u66ff\u63db\u6c27\u50b3\u611f\u5668\u3002<\/li><\/ul>\n\n\n\n

          \u6821\u6e96\u96fb\u963b\u96fb\u8def<\/strong><\/p>\n\n\n\n

          \u5728\u6b65\u9a5f2\u4e2d\u7372\u5f97\u7684\u6821\u6e96\u96fb\u963b\u503c\u8207\u984d\u5b9a\u503c\u4e0d\u540c\uff0c\u79fb\u958b6\u8def\u901a\u7528\u5f15\u7dda\uff08\u6c27\u50b3\u611f\u5668\u548c\u8eca\u8f1b\u84c4\u96fb\u6c60\u90fd\u8981\u65b7\u958b\u9023\u63a5\uff09\uff0c\u5728\u6c27\u50b3\u611f\u5668\u9023\u63a5\u5668\u7684\u7aef\u5b506\u548c2\u9593\u6e2c\u91cf\u6821\u6e96\u96fb\u963b\u7684\u963b\u6297\u503c\uff0c\u5176\u503c\u7d04\u70ba10\u5230110 \u03a9\uff08\u57167 \uff09\u3002\u5982\u679c\u7372\u5f97\u7684\u503c\u5728\u6307\u5b9a\u7bc4\u570d\u4ee5\u5916\uff0c\u66ff\u63db\u6c27\u50b3\u611f\u5668\u3002
          \u5982\u679c\u6c27\u50b3\u611f\u5668\u7684\u6821\u6e96\u96fb\u963b\u963b\u6297\u503c\u662f\u6b63\u78ba\u7684\uff0c\u90a3\u9ebc\u5728\u767c\u52d5\u6a5f\u7dda\u675f\u7684\u7aef\u5b506\u548c2\u4e4b\u9593\u6e2c\u91cf\u963b\u6297\u503c\uff0c\u5176\u503c\u7d04\u70ba62\u03a9\uff08\u57168\uff09\u3002
          \u5982\u679c\u7372\u5f97\u7684\u503c\u8207\u984d\u5b9a\u503c\u4e0d\u540c\uff0c\u6aa2\u6e2c\u548c\u6e2c\u8a66\u6c27\u50b3\u611f\u5668\u8207PCM\u4e4b\u9593\u7684\u7dda\u675f\u5230\u5e95\u76e4\u5730\u9762\u662f\u5426\u958b\u8def\u6216\u77ed\u8def\uff0c\u7aef\u5b506\u30012\u9593\uff08\u65b7\u958b\u84c4\u96fb\u6c60\uff09\u662f\u5426\u77ed\u8def\u3001\u84c4\u96fb\u6c60\u6b63\u6975\u9023\u63a5\u662f\u5426\u77ed\u8def\uff08\u91cd\u9023\u63a5\u84c4\u96fb\u6c60\u4e26\u7184\u706b\uff09\u3002\u5982\u679c\u7372\u5f97\u7684\u7d50\u679c\u8b49\u660e\u767c\u52d5\u6a5f\u7dda\u675f\u6c92\u6709\u554f\u984c\uff0c\u90a3\u9ebc\u5c31\u53ef\u80fd\u662fPCM\u5b58\u5728\u6545\u969c\u3002<\/p>\n\n\n\n

          \"\"\/<\/figure>\n\n\n\n

                                                       Figure 7<\/p>\n\n\n\n

          \"\"\/<\/figure>\n\n\n\n

                                                      Figure 8<\/p>","protected":false},"excerpt":{"rendered":"

          \u6e2c\u8a66\u535a\u4e16\u7684\u5bec\u5e36\u6c27\u50b3\u611f\u5668\uff08LSU4.2\uff09        &nb 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