{"id":37579,"date":"2023-04-21T14:23:11","date_gmt":"2023-04-21T19:23:11","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-does-a-piezo-sensor-work\/"},"modified":"2025-01-20T23:18:43","modified_gmt":"2025-01-21T04:18:43","slug":"how-does-a-piezo-sensor-work","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/zh-hans\/how-does-a-piezo-sensor-work\/","title":{"rendered":"\u538b\u7535\u4f20\u611f\u5668\u5de5\u4f5c\u539f\u7406\u8be6\u89e3\uff1a\u4ece\u6676\u4f53\u7ed3\u6784\u5230\u4fe1\u53f7\u8f6c\u6362"},"content":{"rendered":"

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\u538b\u7535\u6548\u5e94\u7684\u672c\u8d28<\/h3>\n

\u538b\u7535\u6548\u5e94\u662f\u67d0\u4e9b\u6676\u4f53\u6750\u6599\uff08\u5982\u77f3\u82f1\u3001\u9676\u74f7\u7b49\uff09\u7279\u6709\u7684\u7269\u7406\u73b0\u8c61\u3002\u5f53\u8fd9\u4e9b\u6750\u6599\u53d7\u5230\u538b\u529b\u3001\u62c9\u4f38\u6216\u5f2f\u66f2\u7b49\u673a\u68b0\u529b\u4f5c\u7528\u65f6\uff0c\u5176\u5185\u90e8\u6676\u683c\u7ed3\u6784\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u5bfc\u81f4\u6b63\u8d1f\u7535\u8377\u4e2d\u5fc3\u53d1\u751f\u76f8\u5bf9\u4f4d\u79fb\uff0c\u4ece\u800c\u5728\u6750\u6599\u8868\u9762\u4ea7\u751f\u7535\u8377\u79ef\u7d2f\uff0c\u5f62\u6210\u7535\u52bf\u5dee\u3002\u53cd\u8fc7\u6765\uff0c\u5982\u679c\u5728\u8fd9\u4e9b\u6750\u6599\u4e0a\u65bd\u52a0\u7535\u573a\uff0c\u6750\u6599\u4e5f\u4f1a\u53d1\u751f\u76f8\u5e94\u7684\u5f62\u53d8\u3002\u8fd9\u79cd\u53ef\u9006\u7684\u673a\u7535\u8026\u5408\u6548\u5e94\u6b63\u662f\u538b\u7535\u4f20\u611f\u5668\u7684\u57fa\u7840\u3002 \u538b\u7535\u6548\u5e94\u7684\u5f3a\u5ea6\u4e0e\u65bd\u52a0\u7684\u529b\u7684\u5927\u5c0f\u6210\u6b63\u6bd4\uff0c\u8fd9\u4f7f\u5f97\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6d4b\u91cf\u4ea7\u751f\u7684\u7535\u8377\u91cf\u6216\u7535\u538b\u6765\u7cbe\u786e\u5730\u6d4b\u91cf\u5916\u529b\u7684\u5927\u5c0f\u3002<\/p>\n\n\n\n\n\n\n\n
\u6750\u6599<\/th>\n\u538b\u7535\u5e38\u6570 (pC\/N)<\/th>\n\u4f18\u70b9<\/th>\n\u7f3a\u70b9<\/th>\n<\/tr>\n<\/thead>\n
\u77f3\u82f1<\/td>\n2.3<\/td>\n\u9ad8\u7a33\u5b9a\u6027\uff0c\u9ad8\u7cbe\u5ea6<\/td>\n\u8f83\u4f4e\u7684\u538b\u7535\u7075\u654f\u5ea6\uff0c\u6210\u672c\u8f83\u9ad8<\/td>\n<\/tr>\n
PZT \u9676\u74f7<\/td>\n150-500<\/td>\n\u9ad8\u538b\u7535\u7075\u654f\u5ea6\uff0c\u6613\u4e8e\u5236\u9020<\/td>\n\u6e29\u5ea6\u7a33\u5b9a\u6027\u8f83\u5dee\uff0c\u5bb9\u6613\u53d1\u751f\u8001\u5316<\/td>\n<\/tr>\n
\u805a\u504f\u6c1f\u4e59\u70ef (PVDF)<\/td>\n-20\u5230-40<\/td>\n\u67d4\u97e7\u6027\u597d\uff0c\u8f7b\u4fbf\uff0c\u4f4e\u6210\u672c<\/td>\n\u538b\u7535\u7075\u654f\u5ea6\u8f83\u4f4e\uff0c\u6613\u53d7\u73af\u5883\u5f71\u54cd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u538b\u7535\u4f20\u611f\u5668\u7684\u7ed3\u6784\u4e0e\u7c7b\u578b<\/h3>\n

\u538b\u7535\u4f20\u611f\u5668\u901a\u5e38\u7531\u538b\u7535\u6750\u6599\u548c\u7535\u6781\u7ec4\u6210\u3002\u538b\u7535\u6750\u6599\u4f5c\u4e3a\u4f20\u611f\u5668\u7684\u6838\u5fc3\uff0c\u8d1f\u8d23\u5c06\u673a\u68b0\u529b\u8f6c\u5316\u4e3a\u7535\u4fe1\u53f7\u3002\u7535\u6781\u5219\u7528\u4e8e\u6536\u96c6\u548c\u8f93\u51fa\u8fd9\u4e9b\u7535\u4fe1\u53f7\u3002\u6839\u636e\u538b\u7535\u6750\u6599\u7684\u4e0d\u540c\uff0c\u538b\u7535\u4f20\u611f\u5668\u53ef\u4ee5\u5206\u4e3a\u591a\u79cd\u7c7b\u578b\uff0c\u4f8b\u5982\uff1a<\/p>\n

    \n
  • \u538b\u7535\u6676\u4f53\u4f20\u611f\u5668:<\/strong> \u4f7f\u7528\u77f3\u82f1\u3001\u538b\u7535\u9676\u74f7\u7b49\u6676\u4f53\u6750\u6599\u3002\u8fd9\u7c7b\u4f20\u611f\u5668\u7cbe\u5ea6\u9ad8\uff0c\u7a33\u5b9a\u6027\u597d\uff0c\u4f46\u6210\u672c\u76f8\u5bf9\u8f83\u9ad8\u3002<\/li>\n
  • \u538b\u7535\u9676\u74f7\u4f20\u611f\u5668:<\/strong> \u4f7f\u7528\u4eba\u5de5\u5408\u6210\u7684\u538b\u7535\u9676\u74f7\u6750\u6599\uff0c\u4f8b\u5982\u9506\u949b\u9178\u94c5 (PZT) \u9676\u74f7\u3002\u8fd9\u7c7b\u4f20\u611f\u5668\u7075\u654f\u5ea6\u9ad8\uff0c\u4ef7\u683c\u76f8\u5bf9\u4f4e\u5ec9\uff0c\u4f46\u6e29\u5ea6\u7a33\u5b9a\u6027\u8f83\u5dee\u3002<\/li>\n
  • \u538b\u7535\u8584\u819c\u4f20\u611f\u5668:<\/strong> \u4f7f\u7528\u538b\u7535\u8584\u819c\u6750\u6599\uff0c\u4f8b\u5982\u805a\u504f\u6c1f\u4e59\u70ef (PVDF) \u8584\u819c\u3002\u8fd9\u7c7b\u4f20\u611f\u5668\u67d4\u97e7\u6027\u597d\uff0c\u6613\u4e8e\u96c6\u6210\u5230\u5404\u79cd\u590d\u6742\u7684\u7ed3\u6784\u4e2d\uff0c\u4f46\u7075\u654f\u5ea6\u76f8\u5bf9\u8f83\u4f4e\u3002<\/li>\n<\/ul>\n

    \u4fe1\u53f7\u5904\u7406\u4e0e\u5e94\u7528<\/h3>\n

    \u538b\u7535\u4f20\u611f\u5668\u8f93\u51fa\u7684\u4fe1\u53f7\u901a\u5e38\u662f\u7535\u8377\u6216\u7535\u538b\u4fe1\u53f7\uff0c\u9700\u8981\u7ecf\u8fc7\u653e\u5927\u548c\u5904\u7406\u624d\u80fd\u7528\u4e8e\u5b9e\u9645\u5e94\u7528\u3002\u4fe1\u53f7\u5904\u7406\u7535\u8def\u901a\u5e38\u5305\u62ec\u7535\u8377\u653e\u5927\u5668\u3001\u7535\u538b\u653e\u5927\u5668\u3001\u6ee4\u6ce2\u5668\u7b49\u3002\u8fd9\u4e9b\u7535\u8def\u53ef\u4ee5\u63d0\u9ad8\u4fe1\u53f7\u7684\u4fe1\u566a\u6bd4\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u6613\u4e8e\u6d4b\u91cf\u7684\u6a21\u62df\u6216\u6570\u5b57\u4fe1\u53f7\u3002<\/p>\n

    \u538b\u7535\u4f20\u611f\u5668\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u4f8b\u5982\uff1a<\/p>\n

      \n
    • \u538b\u529b\u6d4b\u91cf:<\/strong> \u6d4b\u91cf\u6c14\u4f53\u6216\u6db2\u4f53\u7684\u538b\u529b\u3002<\/li>\n
    • \u52a0\u901f\u5ea6\u6d4b\u91cf:<\/strong> \u6d4b\u91cf\u7269\u4f53\u7684\u52a0\u901f\u5ea6\uff0c\u4f8b\u5982\u5728\u6c7d\u8f66\u5b89\u5168\u6c14\u56ca\u7cfb\u7edf\u4e2d\u3002<\/li>\n
    • \u529b\u6d4b\u91cf:<\/strong> \u6d4b\u91cf\u529b\u7684\u5927\u5c0f\u548c\u65b9\u5411\u3002<\/li>\n
    • \u4f4d\u79fb\u6d4b\u91cf:<\/strong> \u6d4b\u91cf\u7269\u4f53\u7684\u4f4d\u79fb\u3002<\/li>\n
    • \u58f0\u6ce2\u68c0\u6d4b:<\/strong> \u68c0\u6d4b\u58f0\u6ce2\u7684\u9891\u7387\u548c\u5f3a\u5ea6\u3002<\/li>\n<\/ul>\n

      \u538b\u7535\u4f20\u611f\u5668\u7684\u4f18\u7f3a\u70b9<\/h3>\n

      \u538b\u7535\u4f20\u611f\u5668\u5177\u6709\u8bb8\u591a\u4f18\u70b9\uff0c\u4f8b\u5982\uff1a<\/p>\n

        \n
      • \u9ad8\u7075\u654f\u5ea6:<\/strong> \u80fd\u591f\u68c0\u6d4b\u5fae\u5c0f\u7684\u529b\u6216\u538b\u529b\u53d8\u5316\u3002<\/li>\n
      • \u9ad8\u7cbe\u5ea6:<\/strong> \u6d4b\u91cf\u7cbe\u5ea6\u9ad8\u3002<\/li>\n
      • \u5feb\u901f\u54cd\u5e94:<\/strong> \u54cd\u5e94\u901f\u5ea6\u5feb\u3002<\/li>\n
      • \u7ed3\u6784\u7d27\u51d1:<\/strong> \u4f53\u79ef\u5c0f\uff0c\u91cd\u91cf\u8f7b\u3002<\/li>\n<\/ul>\n

        \u4f46\u662f\uff0c\u538b\u7535\u4f20\u611f\u5668\u4e5f\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\uff1a<\/p>\n

          \n
        • \u6613\u53d7\u6e29\u5ea6\u5f71\u54cd:<\/strong> \u6e29\u5ea6\u53d8\u5316\u4f1a\u5f71\u54cd\u4f20\u611f\u5668\u7684\u7075\u654f\u5ea6\u548c\u8f93\u51fa\u4fe1\u53f7\u3002<\/li>\n
        • \u5bb9\u6613\u8001\u5316:<\/strong> \u957f\u671f\u4f7f\u7528\u540e\uff0c\u4f20\u611f\u5668\u7684\u6027\u80fd\u53ef\u80fd\u4f1a\u4e0b\u964d\u3002<\/li>\n
        • \u6613\u53d7\u73af\u5883\u5e72\u6270:<\/strong> \u73af\u5883\u56e0\u7d20\uff0c\u4f8b\u5982\u6e7f\u5ea6\u548c\u632f\u52a8\uff0c\u4e5f\u4f1a\u5f71\u54cd\u4f20\u611f\u5668\u7684\u6d4b\u91cf\u7cbe\u5ea6\u3002<\/li>\n<\/ul>\n

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