{"id":28624,"date":"2023-04-22T03:08:40","date_gmt":"2023-04-22T08:08:40","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/diy-ultrasonic-anemometer\/"},"modified":"2025-01-20T23:16:42","modified_gmt":"2025-01-21T04:16:42","slug":"diy-ultrasonic-anemometer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/zh-hans\/diy-ultrasonic-anemometer\/","title":{"rendered":"\u81ea\u5236\u8d85\u58f0\u6ce2\u98ce\u901f\u4eea\uff1a\u539f\u7406\u8be6\u89e3\u4e0e\u8be6\u7ec6\u5236\u4f5c\u6307\u5357"},"content":{"rendered":"

\u81ea\u5236\u8d85\u58f0\u6ce2\u98ce\u901f\u4eea\uff1a\u4ece\u539f\u7406\u5230\u5b9e\u8df5<\/p>\n

\u8d85\u58f0\u6ce2\u98ce\u901f\u4eea\u4ee5\u5176\u975e\u63a5\u89e6\u5f0f\u6d4b\u91cf\u3001\u9ad8\u7cbe\u5ea6\u548c\u7a33\u5b9a\u6027\u7b49\u4f18\u70b9\uff0c\u8d8a\u6765\u8d8a\u53d7\u5230DIY\u7231\u597d\u8005\u7684\u9752\u7750\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u81ea\u5236\u4e00\u53f0\u7b80\u5355\u7684\u8d85\u58f0\u6ce2\u98ce\u901f\u4eea\uff0c\u6db5\u76d6\u5176\u5de5\u4f5c\u539f\u7406\u3001\u6240\u9700\u6750\u6599\u3001\u7535\u8def\u8bbe\u8ba1\u4ee5\u53ca\u8c03\u8bd5\u65b9\u6cd5\u3002 \u5373\u4f7f\u6ca1\u6709\u7535\u5b50\u5de5\u7a0b\u80cc\u666f\uff0c\u53ea\u8981\u4ed4\u7ec6\u9605\u8bfb\u5e76\u52a8\u624b\u5b9e\u8df5\uff0c\u4e5f\u80fd\u6210\u529f\u5236\u4f5c\u51fa\u4e00\u53f0\u5c5e\u4e8e\u81ea\u5df1\u7684\u8d85\u58f0\u6ce2\u98ce\u901f\u4eea\u3002<\/p>\n

\u5de5\u4f5c\u539f\u7406<\/h3>\n

\u8d85\u58f0\u6ce2\u98ce\u901f\u4eea\u7684\u5de5\u4f5c\u539f\u7406\u57fa\u4e8e\u8d85\u58f0\u6ce2\u5728\u4e0d\u540c\u4ecb\u8d28\u4e2d\u7684\u4f20\u64ad\u901f\u5ea6\u5dee\u5f02\u3002\u5728\u9759\u6b62\u7a7a\u6c14\u4e2d\uff0c\u8d85\u58f0\u6ce2\u6cbf\u76f8\u53cd\u65b9\u5411\u4f20\u64ad\u7684\u901f\u5ea6\u76f8\u540c\u3002\u7136\u800c\uff0c\u5f53\u6709\u98ce\u5b58\u5728\u65f6\uff0c\u987a\u98ce\u65b9\u5411\u7684\u8d85\u58f0\u6ce2\u4f20\u64ad\u901f\u5ea6\u52a0\u5feb\uff0c\u9006\u98ce\u65b9\u5411\u7684\u8d85\u58f0\u6ce2\u4f20\u64ad\u901f\u5ea6\u51cf\u6162\u3002\u901a\u8fc7\u6d4b\u91cf\u8fd9\u4e24\u4e2a\u65b9\u5411\u4e0a\u8d85\u58f0\u6ce2\u7684\u4f20\u64ad\u65f6\u95f4\u5dee\uff0c\u5373\u53ef\u8ba1\u7b97\u51fa\u98ce\u901f\u3002 \u901a\u5e38\u91c7\u7528\u56db\u4e2a\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\uff0c\u6784\u6210\u4e00\u4e2a\u6b63\u65b9\u5f62\u6216\u5341\u5b57\u5f62\u7ed3\u6784\uff0c\u4ee5\u5b9e\u73b0\u5168\u65b9\u4f4d\u98ce\u901f\u6d4b\u91cf\u3002 \u8ba1\u7b97\u516c\u5f0f\u901a\u5e38\u57fa\u4e8e\u58f0\u901f\u4e0e\u98ce\u901f\u77e2\u91cf\u7684\u7ec4\u5408\uff0c\u9700\u8981\u8003\u8651\u98ce\u901f\u5728\u4e0d\u540c\u65b9\u5411\u4e0a\u7684\u5206\u91cf\u3002<\/p>\n

\u6240\u9700\u6750\u6599<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u6750\u6599\u540d\u79f0<\/th>\n\u89c4\u683c<\/th>\n\u6570\u91cf<\/th>\n\u5907\u6ce8<\/th>\n<\/tr>\n<\/thead>\n
\u8d85\u58f0\u6ce2\u4f20\u611f\u5668<\/td>\n40kHz<\/td>\n4<\/td>\n\u5efa\u8bae\u9009\u62e9\u6027\u80fd\u7a33\u5b9a\uff0c\u7cbe\u5ea6\u8f83\u9ad8\u7684\u4f20\u611f\u5668\uff0c\u4f8b\u5982\u5317\u4eac\u8d85\u58f0\u6ce2\u7684\u67d0\u4e9b\u578b\u53f7\u3002<\/td>\n<\/tr>\n
Arduino\u5f00\u53d1\u677f<\/td>\nUNO\u6216\u7c7b\u4f3c\u578b\u53f7<\/td>\n1<\/td>\n\u7528\u4e8e\u63a7\u5236\u4f20\u611f\u5668\u548c\u6570\u636e\u5904\u7406<\/td>\n<\/tr>\n
\u7535\u6e90\u6a21\u5757<\/td>\n5V<\/td>\n1<\/td>\n\u4e3aArduino\u548c\u4f20\u611f\u5668\u4f9b\u7535<\/td>\n<\/tr>\n
\u675c\u90a6\u7ebf<\/td>\n<\/td>\n\u82e5\u5e72<\/td>\n\u8fde\u63a5\u4f20\u611f\u5668\u3001Arduino\u548c\u7535\u6e90\u6a21\u5757<\/td>\n<\/tr>\n
\u9762\u5305\u677f<\/td>\n<\/td>\n1<\/td>\n\u65b9\u4fbf\u7535\u8def\u8fde\u63a5<\/td>\n<\/tr>\n
\u7535\u963b<\/td>\n1k\u03a9<\/td>\n4<\/td>\n\u7528\u4e8e\u4f20\u611f\u5668\u9650\u6d41<\/td>\n<\/tr>\n
\u5916\u58f3\uff08\u53ef\u9009\uff09<\/td>\n<\/td>\n1<\/td>\n\u4fdd\u62a4\u7535\u8def\u548c\u4f20\u611f\u5668<\/td>\n<\/tr>\n
\u6570\u636e\u7ebf<\/td>\n<\/td>\n1<\/td>\n\u8fde\u63a5Arduino\u548c\u7535\u8111<\/td>\n<\/tr>\n
\u7535\u8111<\/td>\n<\/td>\n1<\/td>\n\u7528\u4e8e\u7a0b\u5e8f\u4e0a\u4f20\u548c\u6570\u636e\u663e\u793a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u7535\u8def\u8bbe\u8ba1<\/h3>\n

\u7535\u8def\u8bbe\u8ba1\u76f8\u5bf9\u7b80\u5355\uff0c\u6bcf\u4e2a\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u90fd\u9700\u8981\u8fde\u63a5\u5230Arduino\u7684\u6570\u5b57\u5f15\u811a\u4e0a\u3002 1k\u03a9\u7535\u963b\u7528\u4e8e\u9650\u6d41\uff0c\u9632\u6b62\u4f20\u611f\u5668\u635f\u574f\u3002 \u4f20\u611f\u5668\u5e94\u6309\u7167\u4e00\u5b9a\u7684\u51e0\u4f55\u5e03\u5c40\u6392\u5217\uff0c\u4ee5\u4fdd\u8bc1\u6d4b\u91cf\u7cbe\u5ea6\u3002 \u53ef\u4ee5\u4f7f\u7528\u9762\u5305\u677f\u8fdb\u884c\u539f\u578b\u8bbe\u8ba1\uff0c\u65b9\u4fbf\u8c03\u8bd5\u548c\u4fee\u6539\u3002 Arduino\u7a0b\u5e8f\u9700\u8981\u63a7\u5236\u4f20\u611f\u5668\u53d1\u9001\u548c\u63a5\u6536\u8d85\u58f0\u6ce2\u4fe1\u53f7\uff0c\u5e76\u8ba1\u7b97\u4f20\u64ad\u65f6\u95f4\u5dee\uff0c\u6700\u540e\u5c06\u98ce\u901f\u6570\u636e\u663e\u793a\u5728\u4e32\u53e3\u76d1\u89c6\u5668\u4e0a\u6216\u4e0a\u4f20\u5230\u7535\u8111\u8fdb\u884c\u66f4\u9ad8\u7ea7\u7684\u6570\u636e\u5904\u7406\u3002<\/p>\n

Arduino\u7a0b\u5e8f\u7f16\u5199<\/h3>\n

Arduino\u7a0b\u5e8f\u7684\u6838\u5fc3\u662f\u5229\u7528 pulseIn()<\/code> \u51fd\u6570\u6d4b\u91cf\u8d85\u58f0\u6ce2\u7684\u4f20\u64ad\u65f6\u95f4\u3002 \u7a0b\u5e8f\u9700\u8981\u4f9d\u6b21\u63a7\u5236\u56db\u4e2a\u4f20\u611f\u5668\u53d1\u9001\u548c\u63a5\u6536\u4fe1\u53f7\uff0c\u8ba1\u7b97\u6bcf\u4e2a\u65b9\u5411\u7684\u4f20\u64ad\u65f6\u95f4\uff0c\u7136\u540e\u6839\u636e\u516c\u5f0f\u8ba1\u7b97\u98ce\u901f\u3002 \u7a0b\u5e8f\u4e2d\u9700\u8981\u8003\u8651\u6e29\u5ea6\u5bf9\u58f0\u901f\u7684\u5f71\u54cd\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u8865\u507f\u3002 \u4e3a\u4e86\u63d0\u9ad8\u7cbe\u5ea6\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u8fdb\u884c\u591a\u6b21\u6d4b\u91cf\u53d6\u5e73\u5747\u503c\uff0c\u5e76\u52a0\u5165\u6ee4\u6ce2\u7b97\u6cd5\u4ee5\u51cf\u5c11\u566a\u58f0\u5e72\u6270\u3002 \u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\u6846\u67b6\u5982\u4e0b\uff1a<\/p>\n

\/\/ ... (\u4f20\u611f\u5668\u5f15\u811a\u5b9a\u4e49\uff0c\u53d8\u91cf\u5b9a\u4e49\u7b49) ...\n\nvoid loop() {\n  \/\/ \u4f9d\u6b21\u6d4b\u91cf\u56db\u4e2a\u65b9\u5411\u7684\u4f20\u64ad\u65f6\u95f4\n  long time1 = pulseIn(pin1, HIGH);\n  long time2 = pulseIn(pin2, HIGH);\n  long time3 = pulseIn(pin3, HIGH);\n  long time4 = pulseIn(pin4, HIGH);\n\n  \/\/ \u8ba1\u7b97\u98ce\u901f (\u9700\u8981\u6839\u636e\u5177\u4f53\u516c\u5f0f\u548c\u4f20\u611f\u5668\u5e03\u5c40\u8fdb\u884c\u8c03\u6574)\n  float windSpeed = calculateWindSpeed(time1, time2, time3, time4);\n\n  \/\/ \u5c06\u98ce\u901f\u6570\u636e\u6253\u5370\u5230\u4e32\u53e3\u76d1\u89c6\u5668\n  Serial.println(windSpeed);\n\n  delay(100); \/\/ \u5ef6\u65f6\n}\n\n\/\/ ... (calculateWindSpeed \u51fd\u6570\u5b9e\u73b0) ...<\/code><\/pre>\n
\u8c03\u8bd5\u4e0e\u6821\u51c6<\/h3>\n
\u5728\u5b8c\u6210\u7535\u8def\u8fde\u63a5\u548c\u7a0b\u5e8f\u7f16\u5199\u540e\uff0c\u9700\u8981\u8fdb\u884c\u8c03\u8bd5\u548c\u6821\u51c6\u3002  \u9996\u5148\uff0c\u5728\u65e0\u98ce\u73af\u5883\u4e0b\u6d4b\u8bd5\uff0c\u89c2\u5bdf\u4f20\u611f\u5668\u8f93\u51fa\u662f\u5426\u7a33\u5b9a\uff0c\u662f\u5426\u5b58\u5728\u660e\u663e\u7684\u504f\u5dee\u3002  \u7136\u540e\uff0c\u5728\u6709\u98ce\u73af\u5883\u4e0b\u6d4b\u8bd5\uff0c\u5c06\u6d4b\u91cf\u7ed3\u679c\u4e0e\u6807\u51c6\u98ce\u901f\u4eea\u8fdb\u884c\u5bf9\u6bd4\uff0c\u5206\u6790\u504f\u5dee\u6765\u6e90\uff0c\u5e76\u5bf9\u7a0b\u5e8f\u8fdb\u884c\u8c03\u6574\u6216\u6821\u51c6\u3002  \u6821\u51c6\u8fc7\u7a0b\u53ef\u80fd\u9700\u8981\u591a\u6b21\u8fed\u4ee3\uff0c\u76f4\u5230\u83b7\u5f97\u6ee1\u610f\u7684\u6d4b\u91cf\u7cbe\u5ea6\u3002<\/p>\n
\u6700\u7ec8\uff0c\u901a\u8fc7\u5408\u7406\u7684\u7535\u8def\u8bbe\u8ba1\u3001\u7cbe\u5bc6\u7684\u7a0b\u5e8f\u7f16\u5199\u4ee5\u53ca\u7ec6\u81f4\u7684\u8c03\u8bd5\u6821\u51c6\uff0c\u5c31\u53ef\u4ee5\u5236\u4f5c\u51fa\u4e00\u53f0\u6027\u80fd\u7a33\u5b9a\u7684DIY\u8d85\u58f0\u6ce2\u98ce\u901f\u4eea\u3002  \u8fd9\u4e0d\u4ec5\u80fd\u6ee1\u8db3\u4e2a\u4eba\u7231\u597d\uff0c\u4e5f\u80fd\u5728\u6c14\u8c61\u89c2\u6d4b\u3001\u73af\u5883\u76d1\u6d4b\u7b49\u9886\u57df\u53d1\u6325\u4e00\u5b9a\u7684\u8f85\u52a9\u4f5c\u7528\u3002  \u5f53\u7136\uff0cDIY\u7684\u8d85\u58f0\u6ce2\u98ce\u901f\u4eea\u7cbe\u5ea6\u53ef\u80fd\u4e0d\u5982\u5546\u7528\u4ea7\u54c1\uff0c\u4f46\u5176\u5236\u4f5c\u8fc7\u7a0b\u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u5b66\u4e60\u548c\u5b9e\u8df5\u7684\u8fc7\u7a0b\uff0c\u5145\u6ee1\u4e86\u4e50\u8da3\u4e0e\u6311\u6218\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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