{"id":31461,"date":"2023-04-22T01:00:45","date_gmt":"2023-04-22T06:00:45","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-use-an-ultrasonic-sensor\/"},"modified":"2025-01-20T23:27:26","modified_gmt":"2025-01-21T04:27:26","slug":"how-to-use-an-ultrasonic-sensor","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/zh-hans\/how-to-use-an-ultrasonic-sensor\/","title":{"rendered":"\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u5e94\u7528\u8be6\u89e3\uff1a\u539f\u7406\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u5e38\u89c1\u95ee\u9898\u89e3\u51b3"},"content":{"rendered":"

\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u662f\u4e00\u79cd\u5229\u7528\u8d85\u58f0\u6ce2\u6765\u6d4b\u91cf\u8ddd\u79bb\u3001\u901f\u5ea6\u6216\u5176\u4ed6\u7269\u7406\u91cf\u7684\u88c5\u7f6e\u3002\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6c7d\u8f66\u3001\u673a\u5668\u4eba\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u4ee5\u53ca\u8bb8\u591a\u5176\u4ed6\u9886\u57df\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\uff0c\u6db5\u76d6\u5176\u5de5\u4f5c\u539f\u7406\u3001\u8fde\u63a5\u65b9\u6cd5\u3001\u6570\u636e\u89e3\u8bfb\u4ee5\u53ca\u5e38\u89c1\u95ee\u9898\u6392\u67e5\u3002<\/p>\n

\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u57fa\u672c\u539f\u7406<\/h3>\n

\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u5de5\u4f5c\u539f\u7406\u662f\u57fa\u4e8e\u58f0\u6ce2\u7684\u56de\u6ce2\u539f\u7406\u3002\u4f20\u611f\u5668\u53d1\u5c04\u4e00\u4e2a\u77ed\u6682\u7684\u8d85\u58f0\u6ce2\u8109\u51b2\uff0c\u5f53\u8fd9\u4e2a\u8109\u51b2\u9047\u5230\u7269\u4f53\u65f6\uff0c\u4e00\u90e8\u5206\u58f0\u6ce2\u4f1a\u88ab\u53cd\u5c04\u56de\u6765\u3002\u4f20\u611f\u5668\u63a5\u6536\u53cd\u5c04\u56de\u6765\u7684\u58f0\u6ce2\uff0c\u5e76\u6839\u636e\u58f0\u6ce2\u7684\u4f20\u64ad\u65f6\u95f4\u8ba1\u7b97\u51fa\u76ee\u6807\u7269\u4f53\u7684\u8ddd\u79bb\u3002\u4f20\u64ad\u65f6\u95f4\u4e58\u4ee5\u58f0\u901f\u7684\u4e00\u534a\uff0c\u5373\u4e3a\u4f20\u611f\u5668\u4e0e\u76ee\u6807\u7269\u4f53\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002\u58f0\u901f\u4f1a\u53d7\u5230\u6e29\u5ea6\u3001\u6e7f\u5ea6\u7b49\u73af\u5883\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u56e0\u6b64\u5728\u7cbe\u786e\u6d4b\u91cf\u4e2d\u9700\u8981\u8fdb\u884c\u76f8\u5e94\u7684\u8865\u507f\u3002 \u4e00\u4e9b\u9ad8\u7aef\u4f20\u611f\u5668\uff0c\u4f8b\u5982\u5317\u4eac\u8d85\u58f0\u6ce2\u7684\u90e8\u5206\u578b\u53f7\uff0c\u4f1a\u5185\u7f6e\u6e29\u5ea6\u4f20\u611f\u5668\u8fdb\u884c\u81ea\u52a8\u8865\u507f\u3002<\/p>\n\n\n\n\n\n\n\n\n\n\n
\u53c2\u6570<\/th>\n\u8bf4\u660e<\/th>\n\u5355\u4f4d<\/th>\n<\/tr>\n<\/thead>\n
\u6d4b\u8ddd\u8303\u56f4<\/td>\n\u4f20\u611f\u5668\u80fd\u591f\u6d4b\u91cf\u7684\u6700\u5927\u8ddd\u79bb<\/td>\n\u7c73 (m)<\/td>\n<\/tr>\n
\u6d4b\u91cf\u7cbe\u5ea6<\/td>\n\u4f20\u611f\u5668\u6d4b\u91cf\u8ddd\u79bb\u7684\u7cbe\u786e\u7a0b\u5ea6<\/td>\n\u6beb\u7c73 (mm)<\/td>\n<\/tr>\n
\u89d2\u5ea6\u5206\u8fa8\u7387<\/td>\n\u4f20\u611f\u5668\u80fd\u591f\u533a\u5206\u4e0d\u540c\u89d2\u5ea6\u76ee\u6807\u7684\u80fd\u529b<\/td>\n\u5ea6 (\u00b0)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u7535\u538b<\/td>\n\u4f20\u611f\u5668\u6b63\u5e38\u5de5\u4f5c\u6240\u9700\u7684\u7535\u538b<\/td>\n\u4f0f\u7279 (V)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u9891\u7387<\/td>\n\u4f20\u611f\u5668\u53d1\u5c04\u548c\u63a5\u6536\u7684\u8d85\u58f0\u6ce2\u9891\u7387<\/td>\n\u5343\u8d6b (kHz)<\/td>\n<\/tr>\n
\u76f2\u533a\u8ddd\u79bb<\/td>\n\u4f20\u611f\u5668\u65e0\u6cd5\u68c0\u6d4b\u5230\u8ddd\u79bb\u975e\u5e38\u8fd1\u7684\u7269\u4f53\u7684\u6700\u5c0f\u8ddd\u79bb<\/td>\n\u6beb\u7c73 (mm)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u786c\u4ef6\u8fde\u63a5<\/h3>\n

\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u901a\u5e38\u5177\u6709\u56db\u4e2a\u5f15\u811a\uff1aVCC\uff08\u7535\u6e90\u6b63\u6781\uff09\u3001GND\uff08\u7535\u6e90\u8d1f\u6781\uff09\u3001Trig\uff08\u89e6\u53d1\u5f15\u811a\uff09\u3001Echo\uff08\u56de\u6ce2\u5f15\u811a\uff09\u3002\u8fde\u63a5\u65f6\uff0c\u9700\u8981\u5c06VCC\u8fde\u63a5\u5230\u7535\u6e90\u7684\u6b63\u6781\uff0cGND\u8fde\u63a5\u5230\u7535\u6e90\u7684\u8d1f\u6781\u3002Trig\u5f15\u811a\u7528\u4e8e\u53d1\u9001\u89e6\u53d1\u4fe1\u53f7\uff0c\u9ad8\u7535\u5e73\u8109\u51b2\u89e6\u53d1\u4f20\u611f\u5668\u53d1\u5c04\u8d85\u58f0\u6ce2\u3002Echo\u5f15\u811a\u7528\u4e8e\u63a5\u6536\u53cd\u5c04\u56de\u6765\u7684\u8d85\u58f0\u6ce2\u4fe1\u53f7\uff0c\u9ad8\u7535\u5e73\u6301\u7eed\u65f6\u95f4\u4ee3\u8868\u8d85\u58f0\u6ce2\u7684\u4f20\u64ad\u65f6\u95f4\u3002\u4e0d\u540c\u7684\u4f20\u611f\u5668\u53ef\u80fd\u4f1a\u91c7\u7528\u4e0d\u540c\u7684\u63a5\u53e3\u65b9\u5f0f\uff0c\u4f8b\u5982\u6a21\u62df\u63a5\u53e3\u6216\u6570\u5b57\u63a5\u53e3\u3002\u6570\u5b57\u63a5\u53e3\u901a\u5e38\u66f4\u52a0\u65b9\u4fbf\u4f7f\u7528\uff0c\u53ef\u4ee5\u76f4\u63a5\u8bfb\u53d6\u4f20\u64ad\u65f6\u95f4\u3002<\/p>\n

\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u8f6f\u4ef6\u63a7\u5236<\/h3>\n

\u4f7f\u7528\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u9700\u8981\u7f16\u5199\u76f8\u5e94\u7684\u7a0b\u5e8f\u6765\u63a7\u5236\u4f20\u611f\u5668\u5e76\u8bfb\u53d6\u6570\u636e\u3002\u7a0b\u5e8f\u9700\u8981\u5411Trig\u5f15\u811a\u53d1\u9001\u4e00\u4e2a\u7279\u5b9a\u6301\u7eed\u65f6\u95f4\u7684\u8109\u51b2\u4fe1\u53f7\uff0c\u7136\u540e\u8bfb\u53d6Echo\u5f15\u811a\u4e0a\u7684\u9ad8\u7535\u5e73\u6301\u7eed\u65f6\u95f4\u3002\u6839\u636e\u8fd9\u4e2a\u65f6\u95f4\uff0c\u7ed3\u5408\u58f0\u901f\uff0c\u5c31\u53ef\u4ee5\u8ba1\u7b97\u51fa\u76ee\u6807\u7269\u4f53\u7684\u8ddd\u79bb\u3002\u5f88\u591a\u5fae\u63a7\u5236\u5668\uff0c\u5982Arduino\uff0c\u90fd\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u5e93\u51fd\u6570\u7b80\u5316\u5f00\u53d1\u8fc7\u7a0b\u3002 \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7a0b\u5e8f\u4e2d\u9700\u8981\u8003\u8651\u73af\u5883\u6e29\u5ea6\u5bf9\u58f0\u901f\u7684\u5f71\u54cd\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u6821\u6b63\u4ee5\u63d0\u9ad8\u6d4b\u91cf\u7cbe\u5ea6\u3002<\/p>\n\n\n\n\n\n\n
\u5fae\u63a7\u5236\u5668<\/th>\n\u5e93\u51fd\u6570<\/th>\n\u5907\u6ce8<\/th>\n<\/tr>\n<\/thead>\n
Arduino<\/td>\nNewPing, Ultrasonic<\/td>\n\u5e7f\u6cdb\u4f7f\u7528\u7684\u5e93\uff0c\u63d0\u4f9b\u7b80\u5355\u6613\u7528\u7684\u51fd\u6570\u63a5\u53e3<\/td>\n<\/tr>\n
Raspberry Pi<\/td>\nRPi.GPIO, \u5176\u4ed6\u7b2c\u4e09\u65b9\u5e93<\/td>\n\u9700\u8981\u66f4\u590d\u6742\u7684\u7f16\u7a0b\uff0c\u4f46\u7075\u6d3b\u6027\u66f4\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5e38\u89c1\u95ee\u9898\u548c\u6392\u67e5<\/h3>\n

\u4f7f\u7528\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\uff0c\u4f8b\u5982\u6d4b\u91cf\u7ed3\u679c\u4e0d\u7a33\u5b9a\u3001\u8ddd\u79bb\u6d4b\u91cf\u4e0d\u51c6\u786e\u7b49\u3002\u8fd9\u4e9b\u95ee\u9898\u901a\u5e38\u662f\u7531\u4ee5\u4e0b\u539f\u56e0\u5f15\u8d77\u7684\uff1a<\/p>\n

    \n
  • \u76ee\u6807\u7269\u4f53\u7684\u6750\u8d28:<\/strong> \u4e00\u4e9b\u6750\u8d28\uff0c\u5982\u67d4\u8f6f\u7684\u6750\u6599\u6216\u5438\u58f0\u6750\u6599\uff0c\u4f1a\u5f71\u54cd\u8d85\u58f0\u6ce2\u7684\u53cd\u5c04\uff0c\u5bfc\u81f4\u6d4b\u91cf\u7ed3\u679c\u4e0d\u51c6\u786e\u3002<\/li>\n
  • \u73af\u5883\u5e72\u6270:<\/strong> \u5f3a\u70c8\u7684\u566a\u58f0\u3001\u98ce\u7b49\u73af\u5883\u56e0\u7d20\u4f1a\u5e72\u6270\u8d85\u58f0\u6ce2\u7684\u4f20\u64ad\uff0c\u5f71\u54cd\u6d4b\u91cf\u7cbe\u5ea6\u3002<\/li>\n
  • \u4f20\u611f\u5668\u89d2\u5ea6:<\/strong> \u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u6709\u4e00\u5b9a\u7684\u89d2\u5ea6\u8303\u56f4\uff0c\u5982\u679c\u76ee\u6807\u7269\u4f53\u4e0d\u5728\u8fd9\u4e2a\u8303\u56f4\u5185\uff0c\u5219\u65e0\u6cd5\u88ab\u68c0\u6d4b\u5230\u3002<\/li>\n
  • \u4f20\u611f\u5668\u8001\u5316:<\/strong> \u957f\u65f6\u95f4\u4f7f\u7528\u540e\uff0c\u4f20\u611f\u5668\u7684\u6027\u80fd\u53ef\u80fd\u4f1a\u4e0b\u964d\uff0c\u5bfc\u81f4\u6d4b\u91cf\u7ed3\u679c\u4e0d\u51c6\u786e\u3002<\/li>\n<\/ul>\n

    \u9488\u5bf9\u8fd9\u4e9b\u95ee\u9898\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u3002\u4f8b\u5982\uff0c\u9009\u62e9\u5408\u9002\u7684\u4f20\u611f\u5668\u578b\u53f7\u3001\u8c03\u6574\u4f20\u611f\u5668\u89d2\u5ea6\u3001\u8fc7\u6ee4\u566a\u58f0\u6570\u636e\u7b49\u3002<\/p>\n

    \u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u4e14\u5e94\u7528\u5e7f\u6cdb\u7684\u4f20\u611f\u5668\u3002 \u901a\u8fc7\u7406\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u3001\u638c\u63e1\u6b63\u786e\u7684\u8fde\u63a5\u548c\u7f16\u7a0b\u65b9\u6cd5\uff0c\u5e76\u4e86\u89e3\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u5b8c\u6210\u5404\u79cd\u8ddd\u79bb\u6d4b\u91cf\u4efb\u52a1\u3002 \u719f\u7ec3\u638c\u63e1\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u4f7f\u7528\uff0c\u5c06\u4e3a\u4f60\u7684\u9879\u76ee\u5e26\u6765\u6781\u5927\u7684\u4fbf\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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