{"id":2255,"date":"2019-03-19T02:32:16","date_gmt":"2019-03-19T02:32:16","guid":{"rendered":""},"modified":"2019-03-19T10:32:37","modified_gmt":"2019-03-19T02:32:37","slug":"%e4%b8%80%e4%bd%93%e5%8c%96%e7%9b%b4%e9%a9%b1%e7%94%b5%e6%9c%ba%e7%9a%84%e9%a9%b1%e5%8a%a8%e5%99%a8%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2255","title":{"rendered":"\u4e00\u4f53\u5316\u76f4\u9a71\u7535\u673a\u7684\u9a71\u52a8\u5668\u8bbe\u8ba1"},"content":{"rendered":"

\n\t\u4f5c\u4e3a\u5de5\u4e1a\u751f\u4ea7\u7ebf\u57fa\u7840\u7684\u4f20\u52a8\u8bbe\u5907\uff0c\u4e00\u822c\u90fd\u91c7\u7528“\u4ea4\u6d41\u7535\u52a8\u673a<\/u>+\u673a\u68b0<\/u>\u51cf\u901f\u673a<\/u>\u6784”\u7684\u65b9\u5f0f\u6765\u9a71\u52a8\uff0c\u7b80\u5355\u9002\u7528\u4e14\u4ef7\u683c\u4f4e\u5ec9\u3002\u4f46\u662f\u4eca\u5929\uff0c\u7531\u673a\u68b0\u51cf\u901f\u673a\u6784\u5e26\u6765\u7684\u4e0d\u5229\u5f71\u54cd\uff0c\u5982\u9f7f\u8f6e\u7bb1\u7b49\u7684\u6cb9\u6c61\u6cc4\u6f0f\u3001\u673a\u68b0\u78e8\u635f\u53ca\u65e5\u5e38\u7ef4\u62a4\u7b49\uff0c\u6b63\u5728\u5f15\u8d77\u4eba\u4eec\u7684\u5173\u6ce8\uff0c\u7279\u522b\u662f\u5728\u98df\u54c1\u3001\u536b\u751f\u3001\u5236\u836f\u7b49\u884c\u4e1a\u3002\u4e00\u79cd\u91c7\u7528\u4f4e\u8f6c\u901f\u3001\u5927\u529b\u77e9\u65e0\u5237\u76f4\u6d41\u7535\u673a\u7684\u76f4\u9a71\u7535\u673a\uff0c\u53d6\u4ee3\u4e86\u673a\u68b0\u51cf\u901f\u673a\u6784\uff0c\u5c06\u7535\u673a\u4e0e\u4f20\u52a8\u76ee\u6807\u76f4\u63a5\u8026\u5408<\/u>\uff0c\u5728\u7cfb\u7edf\u6027\u80fd\u548c\u6210\u672c\u4e0a\u5177\u6709\u66f4\u591a\u7684\u7ade\u4e89\u4f18\u52bf\u3002<\/p>\n

\n\t\u9a71\u52a8\u5668\u7ed3\u6784<\/p>\n

\n\t <\/div>\n

\n\t\u4e0e\u4ea4\u6d41\u611f\u5e94\u7535\u52a8\u673a\u76f8\u6bd4\uff0c\u4f5c\u4e3a\u65e0\u5237\u76f4\u6d41\u7535\u52a8\u673a<\/u>\u7684\u76f4\u9a71\u7535\u673a\u7531\u4e8e\u7535\u52a8\u673a\u8f6c\u5b50\u7684\u7279\u6b8a\u7ed3\u6784\uff0c\u9700\u8981\u7279\u522b\u7684\u9a71\u52a8\u5668\u624d\u80fd\u8fd0\u884c\uff0c\u9a71\u52a8\u5668\u7684\u7535\u6c14\u7ed3\u6784\u5982\u56fe1\u6240\u793a\u3002<\/p>\n

\n\t
\n\t\"\u4e00\u4f53\u5316\u76f4\u9a71\u7535\u673a\u7684\u9a71\u52a8\u5668\u8bbe\u8ba1\"
\n\t <\/p>\n

\n\tF1\uff1a \u76f4\u9a71\u7535\u673a\u9a71\u52a8\u5668<\/u>\u7684\u7535\u6c14\u7ed3\u6784<\/p>\n

\n\t\u8f85\u52a9\u7535\u6e90\u5c06\u4ea4\u6d41\u7535\u6e90\u8f6c\u5316\u4e3a+5\/15V\u76f4\u6d41\u7535\u6e90\uff0c\u63d0\u4f9b\u7ed9\u7cfb\u7edf\u53ca\u667a\u80fd\u529f\u7387\u6a21\u5757\u4f7f\u7528\uff1b\u7528\u6237\u63a5\u53e3\u63d0\u4f9b\u4e86\u4e00\u4e2a\u9a71\u52a8\u7cfb\u7edf\u4e0e\u64cd\u4f5c\u8005\u7684\u6c9f\u901a\u6e20\u9053\uff0c\u64cd\u4f5c\u8005\u901a\u8fc7\u5b83\u6765\u8c03\u8282\u7535\u673a\u7684\u8fd0\u884c\u901f\u5ea6\u548c\u65b9\u5411\uff0c\u540c\u65f6\u7535\u673a\u53ca\u9a71\u52a8\u5668\u7684\u5de5\u4f5c\u72b6\u6001\u4e5f\u901a\u8fc7\u5b83\u4f20\u9012\u7ed9\u64cd\u4f5c\u8005\uff1b\u970d\u5c14\u4f20\u611f\u5668<\/u>\u4f5c\u4e3a\u4f4d\u7f6e\u4f20\u611f\u5668\uff0c\u5c06\u65e0\u5237\u76f4\u6d41\u7535\u52a8\u673a\u8f6c\u5b50\u7684\u7269\u7406\u4f4d\u7f6e\u4fe1\u606f\u63d0\u4f9b\u7ed9\u63a7\u5236\u6838\u5fc3\uff1b\u63a7\u5236\u6838\u5fc3\u901a\u8fc7\u667a\u80fd\u529f\u7387\u6a21\u5757\uff08IPM\uff09\u5c06\u7535\u529b\u4ee5\u5408\u9002\u7684\u65b9\u5f0f\u4f20\u9012\u7ed9\u7535\u673a\uff0c\u63a7\u5236\u7535\u673a\u7684\u8fd0\u884c\u65b9\u5411\u548c\u901f\u5ea6\uff1b\u7cfb\u7edf\u540c\u65f6\u4e5f\u68c0\u6d4b\u8f93\u5165\u7535\u538b\u3001\u7535\u673a\u7684\u8d1f\u8f7d\u7535\u6d41<\/u>\u548c\u9a71\u52a8\u5668\u7684\u5de5\u4f5c\u6e29\u5ea6\uff0c\u83b7\u5f97\u7535\u673a\u7684\u5de5\u4f5c\u73af\u5883\u548c\u5de5\u4f5c\u72b6\u6001\uff0c\u8fd9\u4e9b\u5c06\u53c2\u4e0e\u7535\u52a8\u673a\u7684\u63a7\u5236\u5e76\u4e14\u5728\u5fc5\u8981\u65f6\u5c06\u7cfb\u7edf\u5207\u6362\u5230\u4fdd\u62a4\u72b6\u6001\uff0c\u4f7f\u7cfb\u7edf\u6709\u66f4\u9ad8\u7684\u53ef\u9760\u6027\u3002\u9a71\u52a8\u5668\u7684\u8bbe\u8ba1\u5c06\u6ee1\u8db3\u5982\u4e0b\u76ee\u6807\uff1a<\/p>\n

\n\t1\uff09\u5c0f\u578b\u5316 \u7531\u4e8e\u4e00\u4f53\u5316\u76f4\u9a71\u7535\u673a\u7684\u4ea7\u54c1\u76ee\u6807\u662f\u5c06\u7535\u673a\u4e0e\u7535\u673a\u9a71\u52a8\u5668\u5408\u4e3a\u4e00\u4f53\uff0c\u9a71\u52a8\u5668\u7684\u4f53\u79ef\u548c\u6563\u70ed\u662f\u9996\u8981\u7684\u8003\u8651\u7126\u70b9\uff1b<\/p>\n

\n\t2\uff09\u53ef\u9760\u6027 \u4e00\u4f53\u5316\u7684\u76f4\u9a71\u7535\u673a\u5c06\u9762\u5bf9\u4e25\u9177\u7684\u5de5\u4e1a\u5e94\u7528\u73af\u5883\u7684\u6311\u6218\uff0c\u4ea7\u54c1\u53ef\u9760\u6027\u5728\u8bbe\u8ba1\u4e4b\u521d\u5c31\u5e94\u8be5\u7ed9\u4e88\u5145\u5206\u7684\u91cd\u89c6\uff1b<\/p>\n

\n\t3\uff09\u4eba\u6027\u5316 \u4e00\u4f53\u5316\u76f4\u9a71\u7535\u673a\u7684\u64cd\u4f5c\u8005\u4e3b\u8981\u662f\u5de5\u5382\u73b0\u573a\u7684\u5de5\u4eba\uff0c\u56e0\u6b64\u5b83\u7684\u7528\u6237\u63a5\u53e3\u8bbe\u8ba1\u5c06\u66f4\u591a\u5730\u8003\u8651\u4eba\u6027\u5316\u548c\u7b80\u5355\u5316\u3002<\/p>\n

\n\t\u786c\u4ef6\u8bbe\u8ba1<\/p>\n

\n\t\u63a7\u5236\u6838\u5fc3 \u91c7\u7528Atmel<\/u>\u516c\u53f8\u7684ATmega88 MCU<\/u>\u4e0eLattice<\/u>\u516c\u53f8\u7684M4A5 CPLD<\/u>\u3002<\/p>\n

\n\t1\uff09 Mega88\u5185\u7f6e\u9ad8\u7cbe\u5ea68MHZ RC\u632f\u8361\u5668<\/u>\uff0c\u5728-40\u2103\uff5e80\u2103\u6e29\u5ea6\u8303\u56f4\uff0c\u5176\u53d8\u5316\u5728±2.5%\u5185\u3002RC\u632f\u8361\u5668\u4ee5\u5176\u975e\u5e38\u7b80\u5355\u7684\u7ed3\u6784\uff0c\u4e3a\u7cfb\u7edf\u7684\u76ee\u6807\u5e94\u7528\u63d0\u4f9b\u4e86\u9002\u7528\u3001\u5ec9\u4ef7\u3001\u9ad8\u53ef\u9760\u6027\u7684\u65f6\u949f<\/u>\u6e90\uff1b<\/p>\n

\n\t2\uff09 512B\u7684EEPROM<\/u>\u4e3a\u8bb8\u591a\u7528\u6237\u53c2\u6570\u7684\u8bbe\u7f6e\u63d0\u4f9b\u4e86\u4fdd\u5b58\u7684\u7a7a\u95f4\uff0c\u7535\u673a\u8868\u73b0\u4e3a\u5177\u6709\u8bb0\u5fc6\u529f\u80fd\u3002\u5c31\u901f\u5ea6\u8bbe\u7f6e\u800c\u8a00\uff0c\u7701\u7565\u4e86\u901a\u8fc7\u7535\u4f4d\u5668\u6765\u8fdb\u884c\u8bbe\u7f6e\u548c\u8bb0\u5fc6\u7684\u65b9\u5f0f\uff0c\u800c\u91c7\u7528\u8f83\u7b80\u5355\u7684\u6309\u952e\u5f00\u5173\uff1b<\/p>\n

\n\t3\uff09 \u516d\u901a\u9053PWM\u65b9\u4fbf\u4e86\u7535\u673a\u901f\u5ea6\u63a7\u5236\u7684\u8c03\u8282\uff0c\u7279\u522b\u662f\u5b83\u768416\u4f4d\u5b9a\u65f6\u5668<\/u>\/\u8ba1\u6570\u56681\uff0c\u5177\u6709\u53cc\u7f13\u51b2\u7684\u8f93\u51fa\u6bd4\u8f83\u5bc4\u5b58\u5668<\/u>\uff0c\u9a71\u52a8\u5668\u7528\u5b83\u6765\u4ea7\u751f\u65e0\u5e72\u6270\u8109\u51b2\u3001\u76f8\u4f4d\u6b63\u786e\u7684\u53ef\u53d8\u9891\u7387\u7684PWM\u3002\u76f4\u9a71\u7535\u673a\u9a71\u52a8\u5668\u91c7\u7528120°\u9a71\u52a8\u65b9\u5f0f\uff0c\u4e0d\u9700\u8981PWM\u7684\u4e92\u8865\u8f93\u51fa\u7ed3\u6784\u3002\u7cfb\u7edf\u7528CPLD\u6784\u5efa\u516d\u8defPWM\u8f93\u51fa\u4fe1\u53f7\u4e92\u9501<\/u>\uff0c\u7528\u786c\u4ef6\u65b9\u5f0f\u4fdd\u8bc1IPM\u7684\u540c\u4e00\u6865\u81c2\u4e0d\u4f1a\u76f4\u63a5\u5bfc\u901a\uff1bMCU\u6839\u636e\u970d\u5c14\u4f20\u611f\u5668\u63d0\u4f9b\u7684\u8f6c\u5b50\u4f4d\u7f6e\u4fe1\u606f\u5c06PWM\u4fe1\u53f7\u8fdb\u884c\u5207\u6362\u548c\u5206\u914d\uff0c\u9a71\u52a8IPM\uff1b<\/p>\n

\n\t4\uff09 8\u8def10\u4f4dADC<\/u>\u65b9\u4fbf\u4e86\u5bf9\u7535\u673a\u7684\u5de5\u4f5c\u7535\u538b\u3001\u8d1f\u8f7d\u7535\u6d41\u548c\u5de5\u4f5c\u6e29\u5ea6\u7684\u6570\u636e\u91c7\u96c6\uff0cMCU\u5185\u7f6e\u76841.1V\u80fd\u9699\u7535\u538b\u57fa\u51c6\u7684\u4f7f\u7528\uff0c\u4f7f\u9a71\u52a8\u5668\u5728\u4e25\u9177\u5de5\u4f5c\u73af\u5883\u8fd0\u884c\u7684\u540c\u65f6\uff0c\u8fd8\u80fd\u968f\u65f6\u4fee\u6b63ADC\u7ed3\u679c\uff0c\u4fdd\u8bc1\u8f83\u9ad8\u7684\u7cfb\u7edf\u7cbe\u5ea6\uff1b<\/p>\n

\n\t5\uff09 \u7528CPLD\u6765\u6784\u5efa\u63a7\u5236\u7cfb\u7edf\u6240\u9700\u8981\u7684\u903b\u8f91\u7535\u8def<\/u>\uff0c\u9664\u4e86\u5bf9IPM\u7684PWN\u9a71\u52a8\u4fe1\u53f7\u8fdb\u884c\u5207\u6362\u3001\u5206\u914d\u548c\u4e92\u9501\u5916\uff0c\u8fd8\u5c06IPM\u7684\u8fc7\u6d41\u4fdd\u62a4\u4fe1\u53f7\u8fdb\u884c\u9501\u5b58\uff0c\u4ee5\u5355\u7a33\u6001\u89e6\u53d1\u7684\u65b9\u5f0f\u5c01\u9501IPM\u7684\u9a71\u52a8\u4fe1\u53f7\uff0c\u5e76\u5c06\u8fc7\u6d41\u4fe1\u606f\u4f20\u9012\u7ed9MCU\uff0c\u4f7f\u7cfb\u7edf\u5b89\u5168\u8fdb\u5165\u6545\u969c\u4fdd\u62a4\u72b6\u6001\uff1b\u5728\u7cfb\u7edf\u4e0a\u7535\u8fc7\u7a0b\u4e2d\uff0c\u7cfb\u7edf\u7684\u76f4\u6d41\u6bcd\u7ebf\u5904\u4e8e\u8f6f\u542f\u52a8\u9636\u6bb5\uff0c\u4ee5\u4fdd\u8bc1\u8f83\u5927\u7684\u7535\u6e90\u6ee4\u6ce2\u7535\u89e3\u7535\u5bb9<\/u>\u5728\u5145\u7535\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u5bf9\u524d\u7aef\u7684\u6574\u6d41\u5668\u4ef6\u9020\u6210\u635f\u574f\uff0c\u5728\u8fd9\u4e00\u9636\u6bb5\uff0cCPLD\u5c06\u7981\u6b62IPM\u7684\u8f93\u51fa\u4ee5\u514d\u8fc7\u5927\u7684\u7535\u673a\u5de5\u4f5c\u7535\u6d41\u635f\u574f\u8f6f\u542f\u52a8\u7535\u8def\uff1b\u800cCPLD\u7684\u5728\u7ebf\u7f16\u7a0b\uff08ISP\uff09\u7279\u6027\uff0c\u4e5f\u4f7f\u5f97\u7cfb\u7edf\u5728\u5f00\u53d1\u548c\u751f\u4ea7\u90e8\u7f72\u65f6\u66f4\u4e3a\u7075\u6d3b\u3002<\/p>\n

\n\t\u8f85\u52a9\u7535\u6e90 \u91c7\u7528PI<\/u>\u516c\u53f8Ti<\/u>nySwitch-\u2162\u7cfb\u5217TNY275\u6784\u6210\u7684\u53cd\u6fc0\u5f0f\u5f00\u5173\u7535\u6e90<\/u>\uff0c\u5c06\u7531AC220V\u8f93\u5165\u5f97\u5230DC310V\u76f4\u6d41\u7535\u53d8\u6362\u4e3a15V\u76f4\u6d41\u7535\uff0c\u4e3b\u8981\u4f9b\u7ed9IPM\u548c\u8f6f\u542f\u52a8\u7535\u8def\u4e2d\u7684\u7ee7\u7535\u5668<\/u>\u300215V\u518d\u7ecf\u8fc7MC34063DC\/DC<\/u>\u964d\u538b\u53d8\u6362\u4e3a5V\uff0c\u4f9b\u63a7\u5236\u7cfb\u7edf\u4f7f\u7528\u3002\u8f85\u52a9\u7535\u6e90\u7684\u83b7\u5f97\u90fd\u662f\u901a\u8fc7\u5f00\u5173\u53d8\u6362\u7684\u65b9\u5f0f\u8fdb\u884c\uff0c\u5728\u63d0\u9ad8\u7535\u6e90\u6548\u7387\u3001\u964d\u4f4e\u70ed\u635f\u8017\u7684\u540c\u65f6\uff0c\u4e5f\u6709\u6548\u5730\u51cf\u5c11\u4e86\u9a71\u52a8\u5668\u7684\u4f53\u79ef\u3002<\/p>\n

\n\tIPM\u63a5\u53e3 \u540c\u6837\u662f\u51fa\u4e8e\u5c0f\u578b\u5316\u548c\u53ef\u9760\u6027\u7684\u9700\u6c42\uff0c\u8bbe\u8ba1\u4e2d\u9009\u7528Sanken\u516c\u53f8450V\/15A\u7684IPM SMM1003\u3002\uff081\uff09IPM\u91c7\u7528\u9ad8\u7535\u5e73\u9a71\u52a8\u63a5\u53e3\uff0c\u5185\u7f6e\u4e86\u4e0b\u62c9\u7535\u963b<\/u>\uff0c\u4ee5\u4fdd\u8bc1\u7cfb\u7edf\u5728\u4e0a\u7535\/\u6389\u7535\u7b49\u4e0d\u786e\u5b9a\u72b6\u6001\u4e0b\u7684\u53ef\u9760\u6027\uff1b\u7531CPLD\u8f93\u51fa\u7684PWM\u9a71\u52a8\u4fe1\u53f7\u7ecfR23\uff5eR28\uff08100Ω\uff09\u548cC17\uff5eC22\uff08470Pf\uff09\u7ec4\u6210\u7684\u6ee4\u6ce2\u5668<\/u>\u6ee4\u6ce2\u540e\u9a71\u52a8IPM\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7535\u529b\u7535\u5b50\u90e8\u5206\u7684\u6297\u6270\u6027\u3002\u7531\u6ee4\u6ce2\u5668\u5e26\u6765\u7684\u9a71\u52a8\u4fe1\u53f7\u65f6\u95f4\u5ef6\u8fdf\u4e3a0.05us\u5de6\u53f3\uff0c\u76f8\u5bf9\u4e8e4\uff5e8KHZ\u7684\u7535\u529b\u8f7d\u9891\u3001125\uff5e250us\u7684\u8f7d\u6ce2\u5468\u671f\u800c\u8a00\uff0c\u662f\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u7684\uff1b\uff082\uff09 IPM\u5185\u7f6e\u7684\u5206\u6d41\u7535\u963b\u4f5c\u4e3a\u7535\u6d41\u4f20\u611f\u5668<\/u>\u7528\u6765\u68c0\u6d4b\u6d41\u8fc7IPM\u7684\u7535\u6d41\uff0c\u8fd9\u4e00\u7535\u6d41\u4fe1\u606f\u4e0e\u7535\u52a8\u673a\u7684\u5de5\u4f5c\u7535\u6d41\u6709\u5bf9\u5e94\u5173\u7cfb\uff0c\u88ab\u653e\u5927\u540e\u63d0\u4f9b\u7ed9\u63a7\u5236\u6838\u5fc3\uff0c\u7528\u6765\u63a7\u5236\u7cfb\u7edf\u7684\u8f93\u51fa\u529f\u7387\u7ea7\u522b\uff0c\u540c\u65f6\u68c0\u6d4b\u7535\u52a8\u673a\u7684\u8d1f\u8f7d\u5927\u5c0f\uff0c\u5224\u65ad\u7535\u673a\u7684\u5de5\u4f5c\u72b6\u6001\u3002\u5f53\u7535\u6d41\u503c\u5927\u4e8e\u4fdd\u62a4\u6781\u9650\u65f6\uff0cIPM\u5c06\u88ab\u89e6\u53d1\u8fdb\u5165\u8fc7\u6d41\u4fdd\u62a4\u72b6\u6001\uff0c\u5173\u65ad\u6240\u6709IGBT<\/u>\u3002<\/p>\n

\n\t\u7528\u6237\u63a5\u53e3 \u9a71\u52a8\u5668\u7684\u7528\u6237\u63a5\u53e3\u5206\u4e3a\u8fd1\u7aef\u63a5\u53e3\u548c\u8fdc\u7aef\u63a5\u53e3\u3002\u901f\u5ea6\u8c03\u8282\u6309\u952eK2\u548c\u5de5\u4f5c\u72b6\u6001\u663e\u793aLED\u4e3a\u8fd1\u7aef\u63a5\u53e3\uff0c\u4f4d\u4e8e\u7535\u673a\u7684\u9a71\u52a8\u5668\u4e0a\uff0c\u76f8\u5bf9\u800c\u8a00\uff0c\u5b83\u4eec\u7684\u5de5\u4f5c\u73af\u5883\u8981\u597d\u4e00\u4e9b\uff0c\u76f4\u63a5\u4f7f\u7528\u7535\u5e73\u9a71\u52a8\u65b9\u5f0f\uff1b\u800c\u7535\u673a\u7684\u6b63\u53cd\u8f6c\u548c\u542f\u52a8\/\u505c\u6b62\u63a7\u5236\u53ef\u80fd\u9700\u8981\u9891\u7e41\u5730\u64cd\u4f5c\uff0c\u6709\u53ef\u80fd\u9700\u8981\u5728\u79bb\u7535\u673a\u8f83\u8fdc\u800c\u79bb\u64cd\u4f5c\u8005\u8f83\u8fd1\u7684\u63a7\u5236\u53f0\u52a0\u4ee5\u63a7\u5236\uff0c\u5c5e\u4e8e\u8fdc\u7aef\u63a7\u5236\uff0c\u8fd9\u4e9b\u63a7\u5236\u4fe1\u53f7\u5c06\u9762\u4e34\u66f4\u591a\u7684\u73b0\u573a\u5e72\u6270\uff0c\u9009\u7528\u7535\u6d41\u9a71\u52a8\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u4fe1\u53f7\u7684\u53ef\u9760\u6027\u3002\u5fae\u63a7\u5236\u5668\u7684PD0\u7aef\u53e3\u4e0a4.7kΩ\u7684\u4e0a\u62c9\u7535\u963b\u4f7fPC817\u5149\u8026<\/u>\u7684\u8f93\u51fa\u4e09\u6781\u7ba1<\/u>\u9971\u548c\u7535\u6d41\u503c\u88ab\u8bbe\u5b9a\u57281mA\u5de6\u53f3\u3002\u5f53\u8fdc\u7aef\u5f00\u5173K1\u95ed\u5408\u65f6\uff0c\u5728\u5f00\u5173\u56de\u8def\u4e2d\u9700\u8981\u6d41\u8fc7\u5927\u4e8e0.5mA\u7684\u7535\u6d41\uff08\u4e0e\u5149\u8026\u7684\u7535\u6d41\u4f20\u8f93\u6bd4CTR\u6709\u5173\uff09\uff0cPD0\u7aef\u53e3\u624d\u4f1a\u88ab\u62c9\u4f4e\uff0c\u800c\u8fd9\u79cd\u7ea7\u522b\u7684\u65e0\u7ebf\u8026\u5408\u5e72\u6270\u5373\u4f7f\u5728\u5de5\u4e1a\u73b0\u573a\u4e5f\u662f\u5f88\u5c11\u7684\uff0c\u4e0a\u62c9\u7535\u963b\u8d8a\u5c0f\uff0c\u4e0a\u62c9\u5f3a\u5ea6\u8d8a\u5f3a\uff0c\u76f8\u5f53\u4e8e\u8fdc\u7aef\u8f93\u5165\u56de\u8def\u7684\u8f93\u5165\u963b\u6297\u8d8a\u5c0f\uff0c\u8fd9\u79cd\u8fdc\u7aef\u63a5\u53e3\u7684\u6297\u5e72\u6270\u80fd\u529b\u4e5f\u5c31\u8d8a\u5f3a\u3002<\/p>\n

\n\t\u7cfb\u7edf\u4fdd\u62a4 \u7cfb\u7edf\u901a\u8fc7\u68c0\u6d4b\u7535\u7f51\u7535\u538b\u5b9e\u73b0\u8fc7\u7535\u538b\/\u6b20\u7535\u538b\u4fdd\u62a4\u3002\u7531\u4e8e\u7535\u673a\u662f\u611f\u6027\u8d1f\u8f7d\uff0cIPM\u7684\u5f00\u5173\u52a8\u4f5c\u5c06\u5f15\u53d1\u7531\u7535\u611f<\/u>\u8d1f\u8f7d\u5f15\u8d77\u7684\u8f83\u9ad8\u5f00\u5173\u5173\u65ad\u6bdb\u523a\u7535\u538b\u3002\u800c\u5728\u7535\u7f51\u8fc7\u7535\u538b\u65f6\uff0c\u8fd9\u79cd\u6bdb\u523a\u7535\u538b\u52a0\u4e0a\u76f4\u6d41\u6bcd\u7ebf\u7535\u538b\u53ef\u80fd\u4f1a\u975e\u5e38\u9ad8\uff0c\u4ee5\u81f3\u4e8e\u5bf9IPM\u9020\u6210\u635f\u574f\uff1b\u6b20\u7535\u538b\u6709\u53ef\u80fd\u4f1a\u4f7f15V\u8f85\u52a9\u7535\u6e90\u4e0d\u7a33\u5b9a\uff0c\u5f71\u54cdIPM\u7684\u6b63\u5e38\u5de5\u4f5c\u3002\u56e0\u6b64\uff0c\u5728\u8fc7\u7535\u538b\/\u6b20\u7535\u538b\u65f6\u9000\u51fa\u5de5\u4f5c\u72b6\u6001\u662f\u5fc5\u8981\u7684\u3002<\/p>\n

\n\t\u65e0\u5237\u76f4\u6d41\u7535\u673a\u7684\u8f6c\u5b50\u4e3a\u6c38\u78c1\u4f53\u7ed3\u6784\uff0c\u5728\u8fc7\u5927\u7684\u5916\u52a0\u78c1\u573a\u4f5c\u7528\u4e0b\u6709\u53ef\u80fd\u4f1a\u88ab\u9000\u78c1\u800c\u635f\u574f\uff0c\u5fc5\u8981\u7684\u6781\u9650\u7535\u6d41\u9650\u5236\u53ef\u4ee5\u6709\u6548\u89c4\u907f\u8fd9\u4e00\u98ce\u9669\u3002\u63a7\u5236\u5668\u901a\u8fc7\u5bc6\u5207\u76d1\u89c6\u7cfb\u7edf\u7535\u6d41\uff0c\u53ca\u65f6\u5730\u8c03\u8282PWM\u7684\u5360\u7a7a\u6bd4\uff0c\u4f7f\u7535\u673a\u5de5\u4f5c\u5728\u5b89\u5168\u7684\u5de5\u4f5c\u8303\u56f4\u3002<\/p>\n

\n\t\u7531\u4e8e\u5e94\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\uff0c\u5f53\u4f7f\u7528\u73af\u5883\u6e29\u5ea6\u8f83\u9ad8\u6216\u7535\u673a\u5de5\u4f5c\u73af\u5883\u901a\u98ce\u6563\u70ed\u4e0d\u7545\u65f6\uff0c\u8f83\u9ad8\u7684\u5de5\u4f5c\u6e29\u5ea6\u5bf9\u9a71\u52a8\u5668\u7684\u7535\u5b50\u5143\u5668\u4ef6\u7279\u522b\u662f\u81ea\u8eab\u4e5f\u4ea7\u751f\u8f83\u591a\u70ed\u91cf\u7684IPM\u6781\u4e3a\u4e0d\u5229\uff0c\u68c0\u6d4b\u9a71\u52a8\u5668\u7684\u5de5\u4f5c\u6e29\u5ea6\u662f\u5fc5\u9700\u7684\u3002\u5f53\u7cfb\u7edf\u68c0\u6d4b\u5230\u9ad8\u4e8e80\u2103\u7684\u6563\u70ed\u5668\u6e29\u5ea6\u65f6\uff0c\u9a71\u52a8\u5668\u4f1a\u5207\u6362\u5230\u8fc7\u70ed\u4fdd\u62a4\u6a21\u3002<\/p>\n

\n\t\u8f6f\u4ef6\u8bbe\u8ba1<\/p>\n

\n\t\u667a\u80fdPI\u901f\u5ea6\u63a7\u5236 \u4e00\u4f53\u5316\u76f4\u9a71\u7535\u673a\u901a\u8fc7\u970d\u5c14\u4f20\u611f\u5668\u83b7\u5f97\u5b9a\u5b50\u9a71\u52a8\u7684\u6362\u76f8\u4fe1\u53f7\uff0c\u5bf9\u6362\u76f8\u4fe1\u53f7\u7684\u65f6\u95f4\u95f4\u9694\u8fdb\u884c\u6d4b\u91cf\u548c\u6570\u5b57\u6ee4\u6ce2\uff0c\u53ef\u4ee5\u5f97\u5230\u7535\u673a\u7684\u5e73\u5747\u901f\u5ea6\u3002\u4e0e\u76f4\u6d41\u6709\u5237\u7535\u52a8\u673a\u4e00\u6837\uff0c\u8c03\u8282\u7535\u52a8\u673a\u5b9a\u5b50\u7684\u5e73\u5747\u7535\u538b\u5c31\u53ef\u4ee5\u8c03\u8282\u7535\u52a8\u673a\u7684\u901f\u5ea6\u3002<\/p>\n

\n\t\u76f4\u63a5\u9a71\u52a8\u7535\u673a\u7684\u901f\u5ea6\u8c03\u8282\u8303\u56f4\u88ab\u8bbe\u8ba1\u4e3a\u6bcf\u5206\u949f10\uff5e200\u8f6c\uff0c\u5728\u4f20\u52a8\u8bbe\u5907\u7684\u5e94\u7528\u4e2d\uff0c\u5bf9\u52a8\u6001\u7279\u6027\u7684\u8981\u6c42\u5e76\u4e0d\u9ad8\uff0c\u901f\u5ea6\u7684\u63a7\u5236\u91c7\u7528\u4e86PI\u63a7\u5236\u7b97\u6cd5\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u5bf9\u7535\u673a\u7684\u901f\u5ea6\u8fdb\u884c\u63a7\u5236\uff0c\u7cfb\u7edf\u5c06\u4f1a\u6839\u636e\u7535\u673a\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u8fd0\u7528\u4e0d\u540c\u63a7\u5236\u7b97\u6cd5\u3002<\/p>\n

\n\t1\uff09\u79ef\u5206\u8c03\u8282PI\u63a7\u5236 \u5f53\u7535\u673a\u5904\u4e8e\u542f\u52a8\u52a0\u901f\u3001\u51cf\u901f\u505c\u6b62\u6216\u6b63\/\u53cd\u8f6c\u5207\u6362\u9636\u6bb5\u65f6\uff0c\u7cfb\u7edf\u7684\u901f\u5ea6\u63a7\u5236\u504f\u5deee\uff08t\uff09\u5c06\u4f1a\u5f88\u5927\uff0c\u5bb9\u6613\u9020\u6210PI\u8fd0\u7b97\u7684\u79ef\u5206\u79ef\u7d2f\u8fc7\u5feb\uff0c\u4ece\u800c\u5f15\u8d77\u901f\u5ea6\u7684\u8d85\u8c03\u548c\u632f\u8361\u3002\u56e0\u6b64\u6709\u5fc5\u8981\u6839\u636e\u901f\u5ea6\u7684\u63a7\u5236\u504f\u5dee\u548c\u4e0d\u540c\u7684\u8d1f\u8f7d\u72b6\u6001\u6539\u53d8PI\u8c03\u8282\u5668\u7684\u79ef\u5206\u53c2\u6570\uff1b<\/p>\n

\n\t2\uff09\u79ef\u5206\u9047\u9650\u524a\u5f31PI\u63a7\u5236 \u4efb\u4f55\u65f6\u5019\u63a7\u5236\u5668\u8fd8\u4f1a\u6839\u636e\u4e0a\u4e00\u6b21\u7684PI\u8c03\u8282\u5668\u7684\u8f93\u51fa\u6765\u51b3\u5b9a\u5f53\u524d\u7684PI\u8c03\u8282\u5668\u7684\u79ef\u5206\u52a8\u4f5c\u3002\u5f53\u4e0a\u4e00\u6b21\u7684PI\u8c03\u8282\u5668\u8f93\u51fa\u5df2\u7ecf\u6b63\u5411\u9971\u548c\u65f6\uff0c\u5219\u53ea\u6709\u8d1f\u7684\u901f\u5ea6\u63a7\u5236\u504f\u5dee\u4f1a\u88ab\u79ef\u5206\uff1b\u53cd\u4e4b\uff0c\u53ea\u6709\u6b63\u7684\u901f\u5ea6\u63a7\u5236\u504f\u5dee\u4f1a\u88ab\u79ef\u5206\u3002<\/p>\n

\n\t\u8fd9\u4e24\u79cd\u63a7\u5236\u7b97\u6cd5\u7684\u5e94\u7528\u90fd\u662f\u6839\u636e\u7535\u673a\u7684\u8fd0\u884c\u72b6\u6001\u8fdb\u884c\u7684\uff0c\u4e00\u4e2a\u7531\u8fd0\u884c\u72b6\u6001\u548c\u901f\u5ea6\u63a7\u5236\u504f\u5dee\u5171\u540c\u51b3\u5b9a\u7684PI\u63a7\u5236\u7b97\u6cd5\u7684\u79ef\u5206\u53c2\u6570\u8fd0\u7b97\u6a21\u5757\u88ab\u5e94\u7528\u5728PI\u8c03\u8282\u5668\u4e2d\uff0c\u901f\u5ea6\u7684PI\u8c03\u8282\u5668\u5c06\u66f4\u667a\u80fd\u5316\u3002<\/p>\n

\n\t\u8f7d\u9891\u6446\u52a8 \u4e3a\u964d\u4f4e\u9a71\u52a8\u5668\u7684\u5f00\u5173\u635f\u8017\u548c\u63d0\u9ad8EMC<\/u>\u6027\u80fd\uff0c\u964d\u4f4eIPM\u7684\u5f00\u5173\u8f7d\u9891\u662f\u6709\u6548\u7684\u3002\u7136\u800c\u4f4e\u4e8e8KHZ\u7684\u8f7d\u9891\u5c06\u4f1a\u7531\u7535\u673a\u4ea7\u751f\u5355\u8c03\u523a\u8033\u7684\u97f3\u9891\u566a\u58f0\uff0c\u5f80\u5f80\u4f1a\u9020\u6210\u542c\u89c9\u75b2\u52b3\u548c\u635f\u4f24\u3002<\/p>\n

\n\t\u968f\u673a\u8109\u51b2\u5bbd\u5ea6\u8c03\u5236\uff08RPWM\uff09\u662f\u4e00\u79cd\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6cd5\uff0c\u5b83\u6539\u53d8\u4e86\u7535\u529b\u4f20\u9001\u4e2d\u80fd\u91cf\u9891\u8c31\u7684\u5206\u5e03\u65b9\u5f0f\uff0c\u5c06\u4ee5\u56fa\u5b9a\u8f7d\u9891\u4f20\u9001\u65f6\u786e\u5b9a\u7684\u79bb\u6563\u7684\u8c10\u6ce2\u80fd\u91cf\u5206\u5e03\u6539\u53d8\u4e3a\u80fd\u91cf\u7684\u8fd1\u4f3c\u8fde\u7eed\u7684\u9891\u8c31\u5206\u5e03\u3002<\/p>\n

\n\t\u7cfb\u7edf\u4f7f\u7528ATmega88\u4e2d\u7684\u5b9a\u65f6\u5668\/\u8ba1\u6570\u56681\u7684\u5feb\u901fPWM\u6a21\u5f0f\uff0c\u76f8\u5f53\u4e8e\u8fb9\u7f18\u5bf9\u9f50\u7684PWM\uff0c\u53ef\u4ee5\u540c\u65f6\u6539\u53d8PWM\u9891\u7387\u548c\u5360\u7a7a\u6bd4\u3002\u5982\u679c\u5c06\u8f7d\u9891\u5728\u4e00\u5b9a\u8303\u56f4\u5185\u968f\u673a\u8fdb\u884c\u53d8\u6362\uff0c\u800cPWM\u7684\u5360\u7a7a\u6bd4\u4e0d\u53d8\uff0c\u5c31\u53ef\u4ee5\u8fbe\u5230\u968f\u673a\u8109\u51b2\u5bbd\u5ea6\u8c03\u5236\u7684\u6548\u679c\uff0c\u5c06\u523a\u8033\u7684\u566a\u58f0\u6539\u53d8\u4e3a\u8fd1\u4f3c\u7684\u767d\u566a\u58f0\u3002<\/p>\n

\n\t\u9a71\u52a8\u5668\u57fa\u51c6\u8f7d\u9891f1\u548c\u8f93\u51fa\u8f7d\u9891fout\u7684\u5173\u7cfb\u8868\u8fbe\u5982\u4e0b\uff1a<\/p>\n

\n\tfout = f1*\uff081+Δ\uff09<\/p>\n

\n\t\u5176\u4e2dΔ\u4e3a\u8f7d\u9891\u6446\u52a8\u56e0\u5b50\uff0cΔ\u7684\u968f\u673a\u53d6\u503c\u8303\u56f4\u8d8a\u5927\uff0c\u8f7d\u9891\u6446\u52a8\u5e26\u6765\u7684\u6548\u679c\u8d8a\u597d\u3002\u8bbe\u8ba1\u4e2d\u9a71\u52a8\u5668\u7684\u57fa\u51c6\u8f7d\u9891f1\u4e3a5KHZ\uff0cΔ\u4e3a0\uff5e0.5\uff0c\u8f93\u51fa\u8f7d\u9891fout\u57285KHZ\uff5e7.5KHZ\u4e4b\u95f4\u6446\u52a8\u3002\u8f6f\u4ef6\u901a\u8fc7\u968f\u673a\u51fd\u6570\u83b7\u5f97Δ\uff0c\u7136\u540e\u901a\u8fc7\u7b80\u5355\u8fd0\u7b97\u83b7\u5f97PWM\u9891\u7387\u548c\u5360\u7a7a\u6bd4\u53c2\u6570\u3002MCU\u5177\u6709\u53cc\u7f13\u51b2\u7684\u8f93\u51fa\u6bd4\u8f83\u5bc4\u5b58\u5668\uff0c\u5728\u4e0b\u4e00\u6b21\u5b9a\u65f6\u5668\u6ea2\u51fa\u540e\u5c06\u81ea\u52a8\u88c5\u5165\u65b0\u7684PWM\u9891\u7387\u548c\u5360\u7a7a\u6bd4\u53c2\u6570\uff0c\u4ea7\u751f\u65e0\u5e72\u6270\u8109\u51b2\uff0c\u76f8\u4f4d\u6b63\u786e\u7684PWM\u8f93\u51fa\u3002<\/p>\n

\n\t\u7ed3\u8bed<\/p>\n

\n\t\u4e00\u4f53\u5316\u76f4\u9a71\u7535\u673a\u7684\u9a71\u52a8\u5668\u4ee5\u9ad8\u53ef\u9760\u6027\u3001\u5c0f\u578b\u5316\u548c\u4eba\u6027\u5316\u4e3a\u8bbe\u8ba1\u76ee\u6807\uff0c\u501f\u52a9\u5fae\u63a7\u5236\u5668\u548c\u53ef\u7f16\u7a0b\u903b\u8f91\u5668\u4ef6\u7684\u9ad8\u5ea6\u667a\u80fd\u5316\u548c\u53ef\u91cd\u5851\u6027\uff0c\u4ee5\u53caIPM\u7684\u9ad8\u53ef\u9760\u6027\uff0c\u4f7f\u4e00\u4f53\u5316\u76f4\u9a71\u7535\u673a\u7684\u7ade\u4e89\u4f18\u52bf\u5f97\u5230\u5145\u5206\u5c55\u73b0\uff1b\u7528\u6237\u63a5\u53e3\u7684\u8fdb\u4e00\u6b65\u6269\u5c55\u548c\u8f6c\u5b50\u5b9a\u4f4d\u7cbe\u5ea6\u7684\u8fdb\u4e00\u6b65\u63d0\u9ad8\uff0c\u5c06\u6709\u53ef\u80fd\u4f7f\u4e00\u4f53\u5316\u76f4\u9a71\u7535\u673a\u8fdb\u884c\u4e92\u8054\u800c\u7f51\u7edc\u5316\uff0c\u5b9e\u73b0\u7535\u5b50\u9f7f\u8f6e\u548c\u7535\u5b50\u51f8\u8f6e\u7684\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f5c\u4e3a\u5de5\u4e1a\u751f\u4ea7\u7ebf\u57fa\u7840\u7684\u4f20\u52a8\u8bbe\u5907\uff0c\u4e00\u822c\u90fd\u91c7\u7528\u4ea4\u6d41 \u7535\u52a8\u673a + \u673a\u68b0 \u51cf\u901f\u673a \u6784\u7684\u65b9\u5f0f\u6765\u9a71\u52a8\uff0c\u7b80\u5355\u9002\u7528\u4e14\u4ef7\u683c\u4f4e\u5ec9\u3002\u4f46\u662f\u4eca\u5929\uff0c\u7531\u673a\u68b0\u51cf\u901f\u673a\u6784\u5e26\u6765\u7684\u4e0d\u5229\u5f71\u54cd\uff0c\u5982\u9f7f\u8f6e\u7bb1\u7b49\u7684\u6cb9\u6c61\u6cc4\u6f0f\u3001<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2255"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2255"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2255\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2255"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}