\n\t2\u7cfb\u7edf\u65b9\u6848\u8bbe\u8ba1<\/p>\n
\n\t\u65e0\u7ebf\u4f9b\u7535\u6f14\u793a\u88c5\u7f6e\u7684\u8bbe\u8ba1\u5236\u4f5c\u3002\u8be5\u7535\u8def<\/u>\u7531\u7535\u6e90\u53d1\u5c04\u7535\u8def\u3001\u63a5\u6536\u7535\u8def\u3001\u68c0\u6d4b\u663e\u793a\u7535\u8def\u4e09\u90e8\u5206\u7ec4\u6210\uff3b2\uff3d\u3002<\/p>\n
\n\t2.1\u65b9\u6848\u8bba\u8bc1\u4e0e\u9009\u62e9<\/p>\n
\n\t\u65b9\u68481\uff1a\u9707\u8361\u7535\u8def<\/p>\n
\n\t\u53d1\u5c04\u7535\u8def\u7528NE555\u4ea7\u751f\u53ef\u4ee5\u8c03\u8282\u9891\u7387\u7684\u5bf9\u79f0\u65b9\u6ce2\uff0c\u63a5L298\u653e\u5927\u548c\u6052\u6d41\u6e90\u6a21\u5757\u4ea7\u751f\u7535\u538b12v\u3001\u9891\u738720MHz\u7684\u65b9\u6ce2\u4fe1\u53f7\u4f5c\u4e3a\u53d1\u5c04\u90e8\u5206\u3002\u63a5\u6536\u90e8\u5206\u7531\u5927\u7535\u611f<\/u>\u7ebf\u5708\u4e0e\u6574\u6d41\u8096\u7279\u57fa\u4e8c\u6781\u7ba1<\/u>\u6784\u6210\u3002\u68c0\u6d4b\u90e8\u5206\u7531STC89c51\u63a7\u5236AD tcl2543\u91c7\u96c6\u7535\u538b\u7535\u6d41<\/u>\u4fe1\u53f7\uff3b3\uff3d\u3002<\/p>\n
\n\t\u6b64\u65b9\u6848\u7535\u8def\u7ed3\u6784\u7b80\u5355\u5143\u4ef6\u8f83\u5c11\uff0c\u6613\u4e8e\u63a7\u5236\uff0c\u6210\u672c\u4f4e\u3002<\/p>\n
\n\t\u65b9\u68482\uff1a \u65a9\u6ce2\u7535\u8def<\/p>\n
\n\t\u53d1\u5c04\u7535\u8def\u5229\u7528IGBT<\/u>\u5bf9\u76f4\u6d41\u7535\u6e90\u9006\u53d8\uff0c\u8fdb\u884c\u65a9\u6ce2\u63a7\u5236\uff0c\u4ea7\u751f\u4ea4\u6d41\u4fe1\u53f7\u4f5c\u4e3a\u53d1\u5c04\u4fe1\u53f7\u3002\u63a5\u6536\u90e8\u5206\u540c\u65b9\u68481\uff0c\u68c0\u6d4b\u90e8\u5206\u4e3b\u8981\u662fAD\u82af\u7247\u9009\u7528MAX197\u3002<\/p>\n
\n\t\u6b64\u65b9\u6848\u673a\u6784\u7b80\u5355\uff0c\u4f46\u662fIGBT\u7684\u5f00\u5173\u9891\u7387\u96be\u4e8e\u63a7\u5236\uff0c\u4e14IGBT\u4ef7\u683c\u4e0d\u5408\u9002\u3002<\/p>\n
\n\t\u6bd4\u8f83\u4e0a\u8ff0\u65b9\u6848\uff0c\u9707\u8361\u7535\u8def\u7ed3\u6784\u7b80\u5355\u6613\u4e8e\u5b9e\u73b0\uff0c\u68c0\u6d4b\u90e8\u5206AD\u82af\u7247\u4ef7\u683c\u5408\u9002\uff0c\u6574\u4e2a\u7535\u8def\u5bb9\u6613\u5b9e\u73b0\uff0c\u6240\u4ee5\u9009\u62e9\u65b9\u68481\u3002\u7cfb\u7edf\u6574\u4f53\u6846\u56fe\u89c1\u56fe1\u3002<\/p>\n
\n\t![\"51\u5355\u7247\u673a\u7684\u65e0\u7ebf\u4f9b\u7535\u6a21\u5757\u8bbe\u8ba1\"](\"http:\/\/www.szryc.com\/uploads\/allimg\/190422\/163Z4M32-0.png\")
<\/p>\n
\n\t\u56fe 1 \u7cfb\u7edf\u6574\u4f53\u6846\u56fe<\/p>\n
\n\t2.2\u6574\u4f53\u7535\u8def\u8bbe\u8ba1<\/p>\n
\n\t\uff081\uff09\u53d1\u5c04\u7535\u8def<\/p>\n
\n\t\u7528NE555\u4ea7\u751f\u53ef\u4ee5\u8c03\u8282\u9891\u7387\u7684\u5bf9\u79f0\u65b9\u6ce2\uff0c\u63a5L298\u653e\u5927\u548c\u6052\u6d41\u6e90\u6a21\u5757\u4ea7\u751f\u7535\u538b12v\u3001\u9891\u738720MHZ\u7684\u65b9\u6ce2\u4fe1\u53f7\u4f5c\u4e3a\u9707\u8361\u90e8\u5206\uff0c \u4e3b\u8981\u662f\u4ea7\u751f\u9ad8\u9891\u3002<\/p>\n
\n\t\uff082\uff09\u529f\u7387\u8f93\u51fa\u7535\u8def<\/p>\n
\n\t\u7531\u4e8e\u8f93\u51fa\u9a71\u52a8\u4fe1\u53f7\u7535\u538b\u3001\u7535\u6d41\u3001\u9891\u7387\u8f83\u5927\uff0c\u9700\u8981\u4e00\u5b9a\u8f93\u51fa\u529f\u7387\u9a71\u52a8\u7ebf\u5708\uff0c\u56e0\u6b64\uff0c\u6700\u540e\u9700\u8981\u529f\u7387\u8f93\u51fa\u7535\u8def\u3002\u53ef\u4ee5\u91c7\u7528\u5206\u7acb\u5927\u529f\u7387\u6676\u4f53\u7ba1<\/u>\u642d\u5efa\u8f93\u51fa\u7535\u8def\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7535\u673a\u9a71\u52a8\u6865\u5f0f\u7535\u8def\u96c6\u6210\u6a21\u5757\u3002\u9009\u62e9\u65f6\u9700\u8981\u6ce8\u610f\u7535\u8def\u7684\u9891\u7387\u54cd\u5e94\u5e94\u8be5\u5927\u4e8e20kHz\uff0c\u8f93\u51fa\u529f\u7387\u5927\u4e8e2W\u3002<\/p>\n
\n\t\uff083\uff09\u7535\u6d41\u63a7\u5236<\/p>\n
\n\t\u7535\u6d41\u63a7\u5236\u7535\u8def\u63a7\u5236\u8f93\u51fa\u7535\u6d41\u5728 100mA\u5de6\u53f3\u7a33\u5b9a\uff0c\u4e0d\u968f\u7740\u7535\u6e90\u7684\u53d8\u5316\u800c\u53d1\u751f\u6ce2\u52a8\u3002\u6052\u6d41\u8f93\u51fa\u63a7\u5236\u4e0d\u9700\u8981\u7279\u522b\u7684\u7cbe\u786e\u3002\u4e00\u822c\u8981\u6c42\u4e0d\u9ad8\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u9650\u6d41\u7535\u963b<\/u>\u63a7\u5236\u7535\u6d41\u7684\u7a33\u5b9a\u3002<\/p>\n
\n\t![\"51\u5355\u7247\u673a\u7684\u65e0\u7ebf\u4f9b\u7535\u6a21\u5757\u8bbe\u8ba1\"](\"http:\/\/www.szryc.com\/uploads\/allimg\/190422\/163Z43L1-1.jpg\")
<\/p>\n
\n\t\u56fe 2 \u9707\u8361\u7535\u8def\u53ca\u53d1\u5c04\u90e8\u5206\u7535\u8def<\/p>\n
\n\t\uff084\uff09\u7535\u6e90<\/p>\n
\n\t\u7535\u6e90\u90e8\u5206\u7535\u8def\u89c1\u56fe3\u3002<\/p>\n
\n\t![](\"http:\/\/www.szryc.com\/uploads\/allimg\/190422\/163Z451b-2.jpg\")
<\/p>\n
\n\t\u56fe 3 \u7535\u6e90\u7535\u8def\u90e8\u5206\u7535\u8def<\/p>\n
\n\t\uff085\uff09\u63a5\u6536\u7535\u8def<\/p>\n
\n\t\u63a5\u6536\u90e8\u5206\u7531\u5927\u7535\u611f\u7ebf\u5708\u3001\u6574\u6d41\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u6784\u6210\u3002<\/p>\n
\n\t![](\"http:\/\/www.szryc.com\/uploads\/allimg\/190422\/163Z43I3-3.jpg\")
<\/p>\n
\n\t\u56fe 4 \u63a5\u6536\u90e8\u5206\u7535\u8def<\/p>\n
\n\t\uff086\uff09\u68c0\u6d4b\u7535\u8def\u53ca\u5355\u7247\u673a\u9009\u62e9<\/p>\n
\n\tSTC89C51\u548c12\u7684AD\u82af\u7247TCL2543\u529f\u80fd\u6ee1\u8db3\u8981\u6c42\u4ef7\u683c\u4fbf\u5b9c\u3002\u663e\u793a\u90e8\u5206\u75281602\u663e\u793a\u68c0\u6d4b\u7684\u7535\u538b\u548c\u7535\u6d41\u3002<\/p>\n
\n\t![](\"http:\/\/www.szryc.com\/uploads\/allimg\/190422\/163Z45291-4.jpg\")
<\/p>\n
\n\t\u56fe 5 \u63a7\u5236\u68c0\u6d4b\u663e\u793a\u90e8\u5206\u7535\u8def<\/p>\n
\n\t3\u786c\u4ef6\u7535\u8def\u7684\u5236\u4f5c\u53ca\u5143\u4ef6\u9009\u53d6<\/p>\n
\n\t3.1\u7535\u6e90\u7684\u9009\u53d6<\/p>\n
\n\t\u8f93\u5165\u76f4\u6d41\u7535\u538b\u9ad8\u4e8e\u6240\u5145\u7535\u6c60<\/u>\u7535\u538b8\u4f0f\u5373\u53ef\u3002\u5982\u56fe3\u4e2dR1\u3001Q1\u3001W1\u3001TL431\u7ec4\u6210\u7cbe\u5bc6\u53ef\u8c03\u7a33\u538b\u7535\u8def\uff0cQ2\u3001W2\u3001R2\u6784\u6210\u53ef\u8c03\u6052\u6d41\u7535\u8def\uff0cQ3\u3001R3\u3001R4\u3001R5\u3001LED\u4e3a\u5145\u7535\u6307\u793a\u7535\u8def\u3002\u968f\u7740\u88ab\u5145\u7535\u6c60\u7535\u538b\u7684\u4e0a\u5347\uff0c\u5145\u7535\u7535\u6d41\u5c06\u9010\u6e10\u51cf\u5c0f\uff0c\u5f85\u7535\u6c60\u5145\u6ee1\u540eR4\u4e0a\u7684\u538b\u964d\u5c06\u964d\u4f4e\uff0c\u4ece\u800c\u4f7fQ3\u622a\u6b62\uff0cLED\u5c06\u7184\u706d\u3002\u4e3a\u4fdd\u8bc1\u7535\u6c60\u80fd\u591f\u5145\u8db3\uff0c\u5728\u6307\u793a\u706f\u7184\u706d\u540e\u7ee7\u7eed\u5145\uff081—2\uff09h\u3002\u4f7f\u7528\u65f6\u7ed9Q2\u3001Q3\u88c5\u4e0a\u5408\u9002\u7684\u6563\u70ed\u5668\u3002\u672c\u7535\u8def\u7684\u4f18\u70b9\uff1a\u5236\u4f5c\u7b80\u5355\uff0c\u5143\u5668\u4ef6<\/u>\u6613\u8d2d\uff0c\u5145\u7535\u5b89\u5168\uff0c\u663e\u793a\u76f4\u89c2\uff0c\u5e76\u4e14\u4e0d\u4f1a\u635f\u574f\u7535\u6c60\u3002\u901a\u8fc7\u6539\u53d8W1\u53ef\u4ee5\u5bf9\u591a\u8282\u4e32\u8054\u9502\u7535\u6c60\u5145\u7535\uff0c\u6539\u53d8W2\u53ef\u4ee5\u5bf9\u5145\u7535\u7535\u6d41\u8fdb\u884c\u5927\u8303\u56f4\u8c03\u8282\u3002\u7f3a\u70b9\u662f\u65e0\u8fc7\u7535\u6d41\u653e\u7535\u63a7\u5236\u7535\u8def\u3002<\/p>\n
\n\t3.2\u53d1\u5c04\u7535\u8def\u5143\u4ef6\u7684\u9009\u53d6<\/p>\n
\n\t\uff081\uff09\u9707\u8361\u7535\u8def\u9009\u53d6NE555\u3001L298 \u6784\u6210\uff0c\u56e0\u4e3aNE555\u6700\u5927\u80fd\u6210\u751f500MHE\uff0c\u7ecf\u8fc7L298\u7684\u653e\u5927\u4f5c\u7528\u8db3\u4ee5\u4ea7\u751f\u6211\u4eec\u9700\u8981\u7684\u529f\u7387\u3002<\/p>\n
\n\tF =1.44\/\uff08R1+RP1\uff09C2 \uff081\uff09<\/p>\n
\n\t\u4f9d\u7167\u4e0a\u5f0f\u53ef\u4ee5\u63a7\u5236555\u82af\u7247\u7684\u9891\u7387\u3002<\/p>\n
\n\t\uff082\uff09\u53d1\u5c04\u7535\u8def\u4e2d\u7684\u8026\u5408<\/u>\u7ebf\u5708<\/p>\n
\n\t\u53d1\u5c04\u7ebf\u5708\u7684\u5236\u4f5c\uff1a\u5728\u76f4\u5f8440mm\u7684\u5706\u73af\u4e0a\u7ed520\u5708\uff0c\uff0825~30\uff09μH\uff08\u7535\u611f\u91cf\u5c0f\u65f6\u63a5\u6536\u8f93\u51fa\u7535\u6d41\u5927\uff0c\u7535\u611f\u91cf\u5927\u65f6\u63a5\u6536\u8f93\u51fa\u7535\u6d41\u7a0d\u5c0f\uff09\u3002\u53d1\u5c04\u6a21\u5757\u5de5\u4f5c\u7535\u6d41\u968f\u63a5\u6536\u8d1f\u8f7d\u7535\u6d41\u7684\u5927\u5c0f\u81ea\u52a8\u589e\u51cf\u3002<\/p>\n
\n\t3.3\u63a5\u6536\u7535\u8def\u5143\u4ef6\u7684\u9009\u53d6<\/p>\n
\n\t\uff081\uff09 \u63a5\u6536\u7ebf\u5708\u7684\u5236\u4f5c<\/p>\n
\n\t\u63a5\u6536\u7ebf\u5708\u9009\u7528\u53d1\u5c04\u7ebf\u5708\u540c\u6837\u5927\u5c0f\u531d\u6570\u7ed5\u5236\uff0c\u5728\u786e\u5b9a\u8ddd\u79bb\u540e\u8c03\u6574\u7ebf\u5708\u7684\u531d\u6570\u81f3\u63a5\u6536\u7535\u538b\u7a0d\u9ad8\u4e8e\u8d1f\u8f7d\u4e3a\u4f73\u3002\u63a5\u6536\u7ebf\u5708\u8f93\u51fa\u7684\u662f\u9ad8\u9891\u4ea4\u6d41\u7535\u538b\uff0c\u53ef\u4ee5\u76f4\u63a5\u7ed9\u5c0f\u706f\u6ce1\u4f9b\u7535\uff0c\u7ed9\u5176\u5b83\u7535\u5668\u4f9b\u7535\uff0c\u5fc5\u987b\u7ecf\u8fc7\u5f00\u5173\u7a33\u538b\u6a21\u5757\u8f93\u51fa\u76f4\u6d415V\u5de5\u4f5c\u7535\u538b\u3002\u5982\u679c\u5c0f\u7535\u6d41\u5de5\u4f5c\uff0c\u53ef\u9002\u5f53\u589e\u52a0\u63a5\u6536\u7ebf\u5708\u531d\u6570\u6765\u589e\u52a0\u4f20\u9001\u8ddd\u79bb\u3002<\/p>\n
\n\t\uff082\uff09 \u6574\u6d41\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u6784\u6210\u63a5\u6536\u56de\u8def\u7684\u6574\u6d41\u7535\u8def\uff0c\u63a5\u4e00\u4e2a\u53d1\u5149\u4e8c\u6781\u7ba1<\/u>\u5f53\u4f5c\u63a5\u6536\u56de\u8def\u7684\u6307\u793a\u706f\u3002<\/p>\n
\n\t4\u7cfb\u7edf\u8f6f\u4ef6\u8bbe\u8ba1\u6d41\u7a0b<\/p>\n
\n\t\u7cfb\u7edf\u7a0b\u5e8f\u6d41\u7a0b\u5982\u56fe6\u6240\u793a\u3002<\/p>\n
\n\t![](\"http:\/\/www.szryc.com\/uploads\/allimg\/190422\/163Z45M6-5.jpg\")
<\/p>\n
\n\t\u56fe 6 \u7cfb\u7edf\u6d41\u7a0b\u56fe<\/p>\n
\n\t\u7528C\u8bed\u8a00\u7f16\u5199\u7a0b\u5e8f\uff0c\u65b9\u4fbf\u7b80\u6d01\u6613\u4e8e\u4fee\u6539\uff0c\u63a7\u5236\u7b80\u5355\uff3b4\uff3d\u3002<\/p>\n
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