{"id":36986,"date":"2023-04-21T14:49:24","date_gmt":"2023-04-21T19:49:24","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-does-ultrasonic-sensor-work\/"},"modified":"2025-01-20T23:19:33","modified_gmt":"2025-01-21T04:19:33","slug":"how-does-ultrasonic-sensor-work","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/zh-hans\/how-does-ultrasonic-sensor-work\/","title":{"rendered":"\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u5de5\u4f5c\u539f\u7406\u6df1\u5ea6\u89e3\u6790\u53ca\u5e94\u7528\u8be6\u89e3"},"content":{"rendered":"

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\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u57fa\u672c\u7ed3\u6784\u548c\u5de5\u4f5c\u539f\u7406<\/h3>\n

\u4e00\u4e2a\u5178\u578b\u7684\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u4e3b\u8981\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206\uff1a\u538b\u7535\u6676\u4f53\u3001\u53d1\u5c04\u7535\u8def\u3001\u63a5\u6536\u7535\u8def\u548c\u4fe1\u53f7\u5904\u7406\u7535\u8def\u3002 \u538b\u7535\u6676\u4f53\u662f\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u6838\u5fc3\u90e8\u4ef6\uff0c\u5b83\u53ef\u4ee5\u5c06\u7535\u80fd\u8f6c\u6362\u6210\u8d85\u58f0\u6ce2\u80fd\u91cf\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u53d1\u5c04\u7535\u8def\u9a71\u52a8\u538b\u7535\u6676\u4f53\u53d1\u5c04\u8d85\u58f0\u6ce2\u8109\u51b2\uff1b\u63a5\u6536\u7535\u8def\u63a5\u6536\u53cd\u5c04\u56de\u6765\u7684\u56de\u6ce2\u4fe1\u53f7\uff1b\u4fe1\u53f7\u5904\u7406\u7535\u8def\u5219\u5bf9\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u8fdb\u884c\u5904\u7406\uff0c\u8ba1\u7b97\u51fa\u76ee\u6807\u7269\u4f53\u7684\u8ddd\u79bb\u3002<\/p>\n\n\n\n\n\n\n\n\n
\u90e8\u4ef6<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n<\/thead>\n
\u538b\u7535\u6676\u4f53<\/td>\n\u53d1\u5c04\u548c\u63a5\u6536\u8d85\u58f0\u6ce2<\/td>\n<\/tr>\n
\u53d1\u5c04\u7535\u8def<\/td>\n\u9a71\u52a8\u538b\u7535\u6676\u4f53\u53d1\u5c04\u8d85\u58f0\u6ce2\u8109\u51b2<\/td>\n<\/tr>\n
\u63a5\u6536\u7535\u8def<\/td>\n\u63a5\u6536\u53cd\u5c04\u56de\u6765\u7684\u56de\u6ce2\u4fe1\u53f7<\/td>\n<\/tr>\n
\u4fe1\u53f7\u5904\u7406\u7535\u8def<\/td>\n\u5bf9\u63a5\u6536\u4fe1\u53f7\u8fdb\u884c\u5904\u7406\uff0c\u8ba1\u7b97\u8ddd\u79bb\u548c\u5176\u5b83\u53c2\u6570<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8ddd\u79bb\u6d4b\u91cf\u539f\u7406\u53ca\u516c\u5f0f<\/h3>\n

\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u8ddd\u79bb\u6d4b\u91cf\u662f\u57fa\u4e8e\u58f0\u6ce2\u4f20\u64ad\u901f\u5ea6\u7684\u3002\u5df2\u77e5\u58f0\u901f(v)\u548c\u53d1\u5c04\u4e0e\u63a5\u6536\u4e4b\u95f4\u7684\u65f6\u95f4\u5dee(t)\uff0c\u5c31\u53ef\u4ee5\u8ba1\u7b97\u51fa\u8ddd\u79bb(d)\uff1a<\/p>\n

d = v * t \/ 2<\/p>\n

\u5176\u4e2d\uff0c\u9664\u4ee52\u662f\u56e0\u4e3a\u58f0\u6ce2\u9700\u8981\u5148\u4f20\u64ad\u5230\u76ee\u6807\u7269\u4f53\uff0c\u7136\u540e\u518d\u53cd\u5c04\u56de\u6765\u3002 \u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u58f0\u901f\u4f1a\u53d7\u5230\u6e29\u5ea6\u3001\u6e7f\u5ea6\u7b49\u73af\u5883\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u56e0\u6b64\u9700\u8981\u8fdb\u884c\u76f8\u5e94\u7684\u6821\u6b63\u3002 \u4e00\u4e9b\u9ad8\u7ea7\u4f20\u611f\u5668\u4f1a\u5185\u7f6e\u6e29\u5ea6\u4f20\u611f\u5668\u8fdb\u884c\u81ea\u52a8\u8865\u507f\u3002<\/p>\n

\u4e0d\u540c\u7c7b\u578b\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u6bd4\u8f83<\/h3>\n

\u5e02\u9762\u4e0a\u5b58\u5728\u591a\u79cd\u7c7b\u578b\u7684\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\uff0c\u5b83\u4eec\u5728\u6027\u80fd\u548c\u5e94\u7528\u65b9\u9762\u5b58\u5728\u5dee\u5f02\u3002\u4f8b\u5982\uff0c\u5728\u63a2\u6d4b\u8ddd\u79bb\u3001\u7cbe\u5ea6\u3001\u5de5\u4f5c\u9891\u7387\u548c\u6ce2\u675f\u89d2\u7b49\u65b9\u9762\u6709\u6240\u4e0d\u540c\u3002<\/p>\n\n\n\n\n\n\n\n
\u4f20\u611f\u5668\u7c7b\u578b<\/th>\n\u63a2\u6d4b\u8ddd\u79bb(\u5178\u578b\u503c)<\/th>\n\u7cbe\u5ea6<\/th>\n\u5e94\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n
\u77ed\u8ddd\u79bb\u4f20\u611f\u5668<\/td>\n< 1 \u7c73<\/td>\n\u00b11mm<\/td>\n\u673a\u5668\u4eba\u5bfc\u822a\uff0c\u505c\u8f66\u8f85\u52a9\u7cfb\u7edf<\/td>\n<\/tr>\n
\u4e2d\u8ddd\u79bb\u4f20\u611f\u5668<\/td>\n1-5 \u7c73<\/td>\n\u00b15mm<\/td>\n\u5de5\u4e1a\u81ea\u52a8\u5316\uff0c\u6db2\u4f4d\u6d4b\u91cf<\/td>\n<\/tr>\n
\u957f\u8ddd\u79bb\u4f20\u611f\u5668<\/td>\n> 5 \u7c73<\/td>\n\u00b11cm<\/td>\n\u5efa\u7b51\u6d4b\u91cf\uff0c\u73af\u5883\u76d1\u6d4b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4fe1\u53f7\u5904\u7406\u548c\u5e72\u6270\u6291\u5236<\/h3>\n

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