{"id":31835,"date":"2023-04-22T00:45:34","date_gmt":"2023-04-22T05:45:34","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-test-an-ultrasonic-transducer\/"},"modified":"2025-01-20T23:26:58","modified_gmt":"2025-01-21T04:26:58","slug":"how-to-test-an-ultrasonic-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/zh-hans\/how-to-test-an-ultrasonic-transducer\/","title":{"rendered":"\u8d85\u58f0\u6ce2\u6362\u80fd\u5668\u6d4b\u8bd5\u65b9\u6cd5\u8be6\u89e3\u53ca\u6545\u969c\u8bca\u65ad\u6307\u5357"},"content":{"rendered":"<p>\u8d85\u58f0\u6ce2\u6362\u80fd\u5668\u7684\u6d4b\u8bd5\u65b9\u6cd5\u7e41\u591a\uff0c\u5176\u76ee\u7684\u5728\u4e8e\u8bc4\u4f30\u6362\u80fd\u5668\u7684\u6027\u80fd\u6307\u6807\uff0c\u786e\u4fdd\u5176\u7b26\u5408\u8bbe\u8ba1\u8981\u6c42\u5e76\u6ee1\u8db3\u5b9e\u9645\u5e94\u7528\u9700\u6c42\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u51e0\u79cd\u5e38\u7528\u7684\u8d85\u58f0\u6ce2\u6362\u80fd\u5668\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u5e76\u9610\u8ff0\u5176\u539f\u7406\u53ca\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n<h3>1. \u4e2d\u5fc3\u9891\u7387\u548c\u5e26\u5bbd\u6d4b\u8bd5<\/h3>\n<p>\u4e2d\u5fc3\u9891\u7387\u548c\u5e26\u5bbd\u662f\u8d85\u58f0\u6ce2\u6362\u80fd\u5668\u7684\u4e24\u4e2a\u5173\u952e\u53c2\u6570\u3002\u4e2d\u5fc3\u9891\u7387\u51b3\u5b9a\u4e86\u6362\u80fd\u5668\u5de5\u4f5c\u7684\u58f0\u6ce2\u9891\u7387\uff0c\u5e26\u5bbd\u5219\u53cd\u6620\u4e86\u6362\u80fd\u5668\u80fd\u591f\u6709\u6548\u5de5\u4f5c\u7684\u9891\u7387\u8303\u56f4\u3002\u6d4b\u8bd5\u65b9\u6cd5\u901a\u5e38\u91c7\u7528\u7f51\u7edc\u5206\u6790\u4eea(Network Analyzer)\u3002\u5c06\u6362\u80fd\u5668\u8fde\u63a5\u5230\u7f51\u7edc\u5206\u6790\u4eea\u4e0a\uff0c\u901a\u8fc7\u626b\u63cf\u4e00\u5b9a\u9891\u7387\u8303\u56f4\u5185\u7684\u4fe1\u53f7\uff0c\u5373\u53ef\u83b7\u5f97\u6362\u80fd\u5668\u7684\u9891\u7387\u54cd\u5e94\u66f2\u7ebf\u3002\u6839\u636e\u66f2\u7ebf\uff0c\u53ef\u4ee5\u786e\u5b9a\u5176\u4e2d\u5fc3\u9891\u7387\uff08-3dB\u70b9\u5bf9\u5e94\u7684\u9891\u7387\uff09\u548c\u5e26\u5bbd\uff08-3dB\u5e26\u5bbd\uff09\u3002<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u53c2\u6570<\/th>\n<th>\u6d4b\u8bd5\u65b9\u6cd5<\/th>\n<th>\u7ed3\u679c\u5355\u4f4d<\/th>\n<th>\u5178\u578b\u503c\uff08\u4ec5\u4f9b\u53c2\u8003\uff0c\u5177\u4f53\u6570\u503c\u53d6\u51b3\u4e8e\u6362\u80fd\u5668\u89c4\u683c\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4e2d\u5fc3\u9891\u7387 (fc)<\/td>\n<td>\u7f51\u7edc\u5206\u6790\u4eea\u6d4b\u91cf -3dB \u70b9\u5bf9\u5e94\u7684\u9891\u7387<\/td>\n<td>MHz<\/td>\n<td>40 MHz<\/td>\n<\/tr>\n<tr>\n<td>\u5e26\u5bbd (BW)<\/td>\n<td>\u7f51\u7edc\u5206\u6790\u4eea\u6d4b\u91cf -3dB \u5e26\u5bbd<\/td>\n<td>MHz<\/td>\n<td>5 MHz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. \u58f0\u538b\u7075\u654f\u5ea6\u6d4b\u8bd5<\/h3>\n<p>\u58f0\u538b\u7075\u654f\u5ea6\u53cd\u6620\u4e86\u6362\u80fd\u5668\u8f93\u5165\u4e00\u5b9a\u7535\u529f\u7387\u540e\uff0c\u80fd\u591f\u4ea7\u751f\u591a\u5927\u7684\u58f0\u538b\u3002\u6d4b\u8bd5\u65b9\u6cd5\u4e00\u822c\u91c7\u7528\u6c34\u542c\u5668(Hydrophone)\u5728\u6c34\u7bb1\u4e2d\u8fdb\u884c\u6d4b\u91cf\u3002\u5c06\u6362\u80fd\u5668\u548c\u6c34\u542c\u5668\u6d78\u6ca1\u5728\u6c34\u4e2d\uff0c\u5e76\u4fdd\u6301\u4e00\u5b9a\u8ddd\u79bb\u3002\u9a71\u52a8\u6362\u80fd\u5668\u53d1\u51fa\u8d85\u58f0\u6ce2\uff0c\u6c34\u542c\u5668\u63a5\u6536\u4fe1\u53f7\uff0c\u6839\u636e\u63a5\u6536\u5230\u7684\u4fe1\u53f7\u5f3a\u5ea6\u548c\u6362\u80fd\u5668\u7684\u8f93\u5165\u529f\u7387\uff0c\u5373\u53ef\u8ba1\u7b97\u51fa\u58f0\u538b\u7075\u654f\u5ea6\u3002<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u53c2\u6570<\/th>\n<th>\u6d4b\u8bd5\u65b9\u6cd5<\/th>\n<th>\u7ed3\u679c\u5355\u4f4d<\/th>\n<th>\u5178\u578b\u503c\uff08\u4ec5\u4f9b\u53c2\u8003\uff0c\u5177\u4f53\u6570\u503c\u53d6\u51b3\u4e8e\u6362\u80fd\u5668\u89c4\u683c\uff09<\/th>\n<th>\u6ce8\u610f\u4e8b\u9879<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u58f0\u538b\u7075\u654f\u5ea6 (SPL)<\/td>\n<td>\u6c34\u542c\u5668\u6d4b\u91cf\uff0c\u8003\u8651\u8ddd\u79bb\u8870\u51cf\u548c\u6c34\u542c\u5668\u7075\u654f\u5ea6<\/td>\n<td>dB re 1\u03bcPa<\/td>\n<td>130 dB re 1\u03bcPa<\/td>\n<td>\u9700\u6821\u51c6\u6c34\u542c\u5668\uff0c\u63a7\u5236\u6c34\u6e29\uff0c\u4fdd\u6301\u6d4b\u91cf\u73af\u5883\u7a33\u5b9a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>3. \u65b9\u5411\u6027\u6d4b\u8bd5<\/h3>\n<p>\u65b9\u5411\u6027\u6d4b\u8bd5\u7528\u4e8e\u8bc4\u4f30\u6362\u80fd\u5668\u58f0\u675f\u7684\u6307\u5411\u6027\u548c\u96c6\u4e2d\u7a0b\u5ea6\u3002\u6d4b\u8bd5\u65b9\u6cd5\u901a\u5e38\u91c7\u7528\u6c34\u542c\u5668\u5728\u6c34\u7bb1\u4e2d\u8fdb\u884c\u626b\u63cf\u6d4b\u91cf\u3002\u5c06\u6362\u80fd\u5668\u56fa\u5b9a\uff0c\u6c34\u542c\u5668\u5728\u4e00\u5b9a\u8ddd\u79bb\u5185\u4ee5\u4e00\u5b9a\u6b65\u957f\u626b\u63cf\uff0c\u8bb0\u5f55\u4e0d\u540c\u89d2\u5ea6\u4e0b\u7684\u58f0\u538b\u503c\u3002\u7ed8\u5236\u6781\u5750\u6807\u56fe\u53ef\u4ee5\u76f4\u89c2\u5730\u5c55\u73b0\u6362\u80fd\u5668\u7684\u65b9\u5411\u6027\u56fe\u6837\u3002<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u53c2\u6570<\/th>\n<th>\u6d4b\u8bd5\u65b9\u6cd5<\/th>\n<th>\u7ed3\u679c\u5c55\u793a<\/th>\n<th>\u5178\u578b\u503c\uff08\u4ec5\u4f9b\u53c2\u8003\uff0c\u5177\u4f53\u6570\u503c\u53d6\u51b3\u4e8e\u6362\u80fd\u5668\u89c4\u683c\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u65b9\u5411\u6027\u56fe<\/td>\n<td>\u6c34\u542c\u5668\u626b\u63cf\u6d4b\u91cf\uff0c\u7ed8\u5236\u6781\u5750\u6807\u56fe<\/td>\n<td>\u6781\u5750\u6807\u56fe<\/td>\n<td>\u534a\u529f\u7387\u6ce2\u675f\u89d2\u7ea6\u4e3a10\u00b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>4. \u963b\u6297\u5339\u914d\u6d4b\u8bd5<\/h3>\n<p>\u826f\u597d\u7684\u963b\u6297\u5339\u914d\u5bf9\u4e8e\u63d0\u9ad8\u6362\u80fd\u5668\u7684\u6548\u7387\u81f3\u5173\u91cd\u8981\u3002\u963b\u6297\u5339\u914d\u6d4b\u8bd5\u53ef\u4ee5\u4f7f\u7528\u7f51\u7edc\u5206\u6790\u4eea\u6216\u963b\u6297\u5206\u6790\u4eea\u8fdb\u884c\u3002\u901a\u8fc7\u6d4b\u91cf\u6362\u80fd\u5668\u7684\u7535\u963b\u6297\uff0c\u53ef\u4ee5\u5224\u65ad\u5176\u4e0e\u9a71\u52a8\u7535\u8def\u7684\u5339\u914d\u7a0b\u5ea6\u3002\u963b\u6297\u5339\u914d\u4e0d\u826f\u4f1a\u5bfc\u81f4\u80fd\u91cf\u635f\u5931\uff0c\u5f71\u54cd\u6362\u80fd\u5668\u7684\u6027\u80fd\u3002  \u5317\u4eac\u8d85\u58f0\u6ce2\u7684\u67d0\u4e9b\u578b\u53f7\u6362\u80fd\u5668\u4f1a\u63d0\u4f9b\u5efa\u8bae\u7684\u963b\u6297\u5339\u914d\u7535\u8def\u53c2\u6570\u3002<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u53c2\u6570<\/th>\n<th>\u6d4b\u8bd5\u65b9\u6cd5<\/th>\n<th>\u7ed3\u679c\u5355\u4f4d<\/th>\n<th>\u5178\u578b\u503c\uff08\u4ec5\u4f9b\u53c2\u8003\uff0c\u5177\u4f53\u6570\u503c\u53d6\u51b3\u4e8e\u6362\u80fd\u5668\u89c4\u683c\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7535\u963b\u6297 (Z)<\/td>\n<td>\u7f51\u7edc\u5206\u6790\u4eea\u6216\u963b\u6297\u5206\u6790\u4eea\u6d4b\u91cf<\/td>\n<td>\u03a9<\/td>\n<td>50 \u03a9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>5.  \u8001\u5316\u6d4b\u8bd5<\/h3>\n<p>\u8001\u5316\u6d4b\u8bd5\u6a21\u62df\u6362\u80fd\u5668\u5728\u957f\u671f\u5de5\u4f5c\u6761\u4ef6\u4e0b\u7684\u6027\u80fd\u53d8\u5316\u3002\u901a\u8fc7\u957f\u65f6\u95f4\u8fde\u7eed\u5de5\u4f5c\uff0c\u89c2\u5bdf\u6362\u80fd\u5668\u7684\u6027\u80fd\u53c2\u6570\u662f\u5426\u53d1\u751f\u663e\u8457\u53d8\u5316\uff0c\u4f8b\u5982\u4e2d\u5fc3\u9891\u7387\u6f02\u79fb\u3001\u58f0\u538b\u7075\u654f\u5ea6\u4e0b\u964d\u7b49\u3002\u6b64\u6d4b\u8bd5\u9700\u8981\u8f83\u957f\u65f6\u95f4\uff0c\u901a\u5e38\u9700\u8981\u6301\u7eed\u6570\u5929\u751a\u81f3\u6570\u5468\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u51e0\u79cd\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5168\u9762\u8bc4\u4f30\u8d85\u58f0\u6ce2\u6362\u80fd\u5668\u7684\u6027\u80fd\u6307\u6807\uff0c\u4e3a\u5176\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u9009\u62e9\u548c\u4f7f\u7528\u63d0\u4f9b\u53ef\u9760\u7684\u4f9d\u636e\u3002  \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4e0d\u540c\u7c7b\u578b\u7684\u8d85\u58f0\u6ce2\u6362\u80fd\u5668\uff0c\u5176\u6d4b\u8bd5\u65b9\u6cd5\u548c\u6307\u6807\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u6d4b\u8bd5\u65b9\u6cd5\u3002  \u6d4b\u8bd5\u7ed3\u679c\u4e5f\u9700\u8981\u7ed3\u5408\u6362\u80fd\u5668\u7684\u5177\u4f53\u5e94\u7528\u73af\u5883\u8fdb\u884c\u7efc\u5408\u5206\u6790\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8d85\u58f0\u6ce2\u6362\u80fd\u5668\u7684\u6d4b\u8bd5\u65b9\u6cd5\u7e41\u591a\uff0c\u5176\u76ee\u7684\u5728\u4e8e\u8bc4\u4f30\u6362\u80fd\u5668\u7684\u6027\u80fd\u6307\u6807\uff0c\u786e\u4fdd\u5176\u7b26\u5408\u8bbe\u8ba1\u8981\u6c42\u5e76\u6ee1\u8db3\u5b9e\u9645\u5e94\u7528\u9700\u6c42\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb<\/p>\n","protected":false},"author":1,"featured_media":19410,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6413],"tags":[],"class_list":["post-31835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/posts\/31835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=31835"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/posts\/31835\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/media\/19410"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=31835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=31835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=31835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}